/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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:55:56,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:55:56,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:55:56,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:55:56,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:55:56,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:55:56,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:55:56,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:55:56,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:55:56,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:55:56,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:55:56,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:55:56,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:55:56,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:55:56,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:55:56,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:55:56,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:55:56,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:55:56,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:55:56,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:55:56,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:55:56,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:55:56,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:55:56,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:55:56,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:55:56,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:55:56,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:55:56,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:55:56,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:55:56,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:55:56,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:55:56,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:55:56,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:55:56,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:55:56,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:55:56,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:55:56,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:55:56,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:55:56,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:55:56,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:55:56,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:55:56,575 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 22:55:56,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:55:56,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:55:56,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:55:56,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:55:56,606 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:55:56,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:55:56,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:55:56,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:55:56,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:55:56,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:55:56,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:55:56,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:55:56,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:55:56,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:55:56,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:55:56,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:55:56,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:55:56,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:55:56,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:55:56,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:55:56,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:55:56,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:55:56,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:55:56,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:55:56,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:55:56,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:55:56,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:55:56,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:55:56,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:55:56,614 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 22:55:56,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:55:56,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:55:56,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:55:56,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:55:56,896 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:55:56,897 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-07-19 22:55:56,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0fa1361/cbe5753a3c6d4d6e98d00622cfc50458/FLAGee6a8849c [2020-07-19 22:55:57,432 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:55:57,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-07-19 22:55:57,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0fa1361/cbe5753a3c6d4d6e98d00622cfc50458/FLAGee6a8849c [2020-07-19 22:55:57,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0fa1361/cbe5753a3c6d4d6e98d00622cfc50458 [2020-07-19 22:55:57,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:55:57,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:55:57,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:55:57,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:55:57,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:55:57,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a81ee7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:57, skipping insertion in model container [2020-07-19 22:55:57,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:55:57" (1/1) ... [2020-07-19 22:55:57,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:55:57,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:55:58,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:55:58,344 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:55:58,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:55:58,473 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:55:58,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58 WrapperNode [2020-07-19 22:55:58,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:55:58,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:55:58,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:55:58,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:55:58,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (1/1) ... [2020-07-19 22:55:58,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (1/1) ... [2020-07-19 22:55:58,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (1/1) ... [2020-07-19 22:55:58,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (1/1) ... [2020-07-19 22:55:58,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (1/1) ... [2020-07-19 22:55:58,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (1/1) ... [2020-07-19 22:55:58,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (1/1) ... [2020-07-19 22:55:58,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:55:58,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:55:58,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:55:58,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:55:58,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (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 22:55:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:55:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:55:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:55:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:55:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:55:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:55:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:55:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:55:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:55:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:55:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:55:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:55:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:55:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:55:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:55:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:55:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:55:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:55:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:55:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:55:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:55:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:55:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:55:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:55:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:55:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:55:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:55:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:55:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:55:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:55:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:55:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:55:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:55:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:55:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:55:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:55:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:55:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:55:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:55:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:55:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:55:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:55:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:55:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:55:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:55:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:55:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:55:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:55:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:55:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:55:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:55:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:55:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:55:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:55:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:55:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:55:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:55:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:55:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:55:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:55:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:55:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:55:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:55:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:55:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:55:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:55:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:55:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:55:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:55:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:55:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:55:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:55:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:55:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:55:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:55:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:55:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:55:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:55:59,623 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:55:59,624 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:55:59,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:55:59 BoogieIcfgContainer [2020-07-19 22:55:59,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:55:59,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:55:59,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:55:59,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:55:59,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:55:57" (1/3) ... [2020-07-19 22:55:59,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7912bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:55:59, skipping insertion in model container [2020-07-19 22:55:59,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:55:58" (2/3) ... [2020-07-19 22:55:59,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7912bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:55:59, skipping insertion in model container [2020-07-19 22:55:59,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:55:59" (3/3) ... [2020-07-19 22:55:59,637 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-07-19 22:55:59,648 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:55:59,655 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:55:59,669 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:55:59,694 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:55:59,694 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:55:59,694 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:55:59,694 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:55:59,695 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:55:59,695 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:55:59,695 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:55:59,695 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:55:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-19 22:55:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:55:59,727 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:55:59,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:55:59,729 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:55:59,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:55:59,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1424451371, now seen corresponding path program 1 times [2020-07-19 22:55:59,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:55:59,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589879493] [2020-07-19 22:55:59,749 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:55:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,374 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:00,518 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 22:56:00,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589879493] [2020-07-19 22:56:00,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:00,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:56:00,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378949058] [2020-07-19 22:56:00,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:56:00,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:00,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:56:00,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:56:00,552 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-07-19 22:56:01,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:01,581 INFO L93 Difference]: Finished difference Result 286 states and 369 transitions. [2020-07-19 22:56:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:56:01,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:56:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:01,597 INFO L225 Difference]: With dead ends: 286 [2020-07-19 22:56:01,597 INFO L226 Difference]: Without dead ends: 159 [2020-07-19 22:56:01,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:56:01,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-19 22:56:01,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 128. [2020-07-19 22:56:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-19 22:56:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2020-07-19 22:56:01,691 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 59 [2020-07-19 22:56:01,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:01,691 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2020-07-19 22:56:01,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:56:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2020-07-19 22:56:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:56:01,695 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:01,696 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 22:56:01,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:56:01,696 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:01,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1343962066, now seen corresponding path program 1 times [2020-07-19 22:56:01,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:01,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944814471] [2020-07-19 22:56:01,697 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,039 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:02,131 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 22:56:02,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944814471] [2020-07-19 22:56:02,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:02,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:56:02,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611929883] [2020-07-19 22:56:02,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:56:02,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:02,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:56:02,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:56:02,136 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 5 states. [2020-07-19 22:56:02,585 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:03,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:03,384 INFO L93 Difference]: Finished difference Result 218 states and 267 transitions. [2020-07-19 22:56:03,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:56:03,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 22:56:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:03,388 INFO L225 Difference]: With dead ends: 218 [2020-07-19 22:56:03,388 INFO L226 Difference]: Without dead ends: 149 [2020-07-19 22:56:03,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:56:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-19 22:56:03,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2020-07-19 22:56:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-19 22:56:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2020-07-19 22:56:03,426 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 60 [2020-07-19 22:56:03,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:03,426 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2020-07-19 22:56:03,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:56:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2020-07-19 22:56:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:56:03,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:03,429 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] [2020-07-19 22:56:03,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:56:03,430 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:03,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1988567769, now seen corresponding path program 1 times [2020-07-19 22:56:03,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:03,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862872184] [2020-07-19 22:56:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,774 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:03,898 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 22:56:03,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862872184] [2020-07-19 22:56:03,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:03,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:03,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196979646] [2020-07-19 22:56:03,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:03,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:03,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:03,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:03,901 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 9 states. [2020-07-19 22:56:04,250 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:04,562 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:56:04,819 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:05,049 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:05,908 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:07,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:07,037 INFO L93 Difference]: Finished difference Result 402 states and 496 transitions. [2020-07-19 22:56:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:56:07,038 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 22:56:07,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:07,043 INFO L225 Difference]: With dead ends: 402 [2020-07-19 22:56:07,043 INFO L226 Difference]: Without dead ends: 311 [2020-07-19 22:56:07,045 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 22:56:07,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-07-19 22:56:07,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 242. [2020-07-19 22:56:07,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-19 22:56:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 290 transitions. [2020-07-19 22:56:07,113 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 290 transitions. Word has length 65 [2020-07-19 22:56:07,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:07,114 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 290 transitions. [2020-07-19 22:56:07,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 290 transitions. [2020-07-19 22:56:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 22:56:07,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:07,116 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 22:56:07,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:56:07,117 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:07,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:07,117 INFO L82 PathProgramCache]: Analyzing trace with hash 827482166, now seen corresponding path program 1 times [2020-07-19 22:56:07,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:07,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63159905] [2020-07-19 22:56:07,118 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,421 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:07,531 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 22:56:07,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63159905] [2020-07-19 22:56:07,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:07,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:07,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609970701] [2020-07-19 22:56:07,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:07,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:07,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:07,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:07,534 INFO L87 Difference]: Start difference. First operand 242 states and 290 transitions. Second operand 9 states. [2020-07-19 22:56:07,908 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:08,599 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:09,353 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:09,642 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:09,905 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:10,161 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:10,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:10,711 INFO L93 Difference]: Finished difference Result 631 states and 816 transitions. [2020-07-19 22:56:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:56:10,712 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 22:56:10,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:10,718 INFO L225 Difference]: With dead ends: 631 [2020-07-19 22:56:10,718 INFO L226 Difference]: Without dead ends: 417 [2020-07-19 22:56:10,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:56:10,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-07-19 22:56:10,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 353. [2020-07-19 22:56:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-07-19 22:56:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2020-07-19 22:56:10,802 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 70 [2020-07-19 22:56:10,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:10,802 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2020-07-19 22:56:10,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2020-07-19 22:56:10,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:56:10,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:10,805 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] [2020-07-19 22:56:10,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:56:10,806 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:10,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash 361073596, now seen corresponding path program 1 times [2020-07-19 22:56:10,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:10,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4434985] [2020-07-19 22:56:10,807 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,105 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,221 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 22:56:11,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4434985] [2020-07-19 22:56:11,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:11,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:11,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502670828] [2020-07-19 22:56:11,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:11,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:11,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:11,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:11,224 INFO L87 Difference]: Start difference. First operand 353 states and 423 transitions. Second operand 9 states. [2020-07-19 22:56:11,573 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:12,598 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:12,823 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:13,059 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:13,343 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:14,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:14,308 INFO L93 Difference]: Finished difference Result 1112 states and 1489 transitions. [2020-07-19 22:56:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:56:14,310 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-19 22:56:14,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:14,318 INFO L225 Difference]: With dead ends: 1112 [2020-07-19 22:56:14,319 INFO L226 Difference]: Without dead ends: 787 [2020-07-19 22:56:14,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:56:14,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-07-19 22:56:14,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 665. [2020-07-19 22:56:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2020-07-19 22:56:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 802 transitions. [2020-07-19 22:56:14,491 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 802 transitions. Word has length 88 [2020-07-19 22:56:14,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:14,492 INFO L479 AbstractCegarLoop]: Abstraction has 665 states and 802 transitions. [2020-07-19 22:56:14,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:14,492 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 802 transitions. [2020-07-19 22:56:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:56:14,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:14,495 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] [2020-07-19 22:56:14,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:56:14,497 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:14,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:14,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1750216773, now seen corresponding path program 1 times [2020-07-19 22:56:14,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:14,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304458853] [2020-07-19 22:56:14,498 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,849 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:14,983 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 22:56:14,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304458853] [2020-07-19 22:56:14,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:14,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:14,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392009256] [2020-07-19 22:56:14,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:14,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:14,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:14,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:14,987 INFO L87 Difference]: Start difference. First operand 665 states and 802 transitions. Second operand 9 states. [2020-07-19 22:56:16,045 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:16,308 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:16,598 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:16,831 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:17,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:17,384 INFO L93 Difference]: Finished difference Result 1429 states and 1823 transitions. [2020-07-19 22:56:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:56:17,385 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-19 22:56:17,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:17,391 INFO L225 Difference]: With dead ends: 1429 [2020-07-19 22:56:17,391 INFO L226 Difference]: Without dead ends: 792 [2020-07-19 22:56:17,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:56:17,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-07-19 22:56:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 685. [2020-07-19 22:56:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-07-19 22:56:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 822 transitions. [2020-07-19 22:56:17,534 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 822 transitions. Word has length 88 [2020-07-19 22:56:17,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:17,536 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 822 transitions. [2020-07-19 22:56:17,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 822 transitions. [2020-07-19 22:56:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:56:17,541 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:17,541 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] [2020-07-19 22:56:17,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:56:17,543 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:17,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:17,544 INFO L82 PathProgramCache]: Analyzing trace with hash -364013379, now seen corresponding path program 1 times [2020-07-19 22:56:17,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:17,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423744047] [2020-07-19 22:56:17,545 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,850 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:18,038 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 22:56:18,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423744047] [2020-07-19 22:56:18,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:18,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:56:18,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128157163] [2020-07-19 22:56:18,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:56:18,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:18,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:56:18,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:56:18,046 INFO L87 Difference]: Start difference. First operand 685 states and 822 transitions. Second operand 11 states. [2020-07-19 22:56:18,615 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:18,865 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:19,108 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:19,888 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:20,170 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:20,423 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:21,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:21,122 INFO L93 Difference]: Finished difference Result 1290 states and 1630 transitions. [2020-07-19 22:56:21,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:56:21,123 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-07-19 22:56:21,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:21,130 INFO L225 Difference]: With dead ends: 1290 [2020-07-19 22:56:21,130 INFO L226 Difference]: Without dead ends: 633 [2020-07-19 22:56:21,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:56:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-07-19 22:56:21,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 556. [2020-07-19 22:56:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-19 22:56:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 650 transitions. [2020-07-19 22:56:21,285 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 650 transitions. Word has length 88 [2020-07-19 22:56:21,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:21,286 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 650 transitions. [2020-07-19 22:56:21,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:56:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 650 transitions. [2020-07-19 22:56:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 22:56:21,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:21,290 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] [2020-07-19 22:56:21,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:56:21,290 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:21,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:21,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1797836392, now seen corresponding path program 1 times [2020-07-19 22:56:21,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:21,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430212653] [2020-07-19 22:56:21,292 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,726 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:21,884 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 22:56:21,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430212653] [2020-07-19 22:56:21,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:21,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:56:21,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266725415] [2020-07-19 22:56:21,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:56:21,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:21,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:56:21,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:56:21,887 INFO L87 Difference]: Start difference. First operand 556 states and 650 transitions. Second operand 12 states. [2020-07-19 22:56:22,325 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:23,002 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:23,745 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:24,102 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:24,372 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:24,676 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:24,955 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:26,370 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:26,646 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:27,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:27,172 INFO L93 Difference]: Finished difference Result 1629 states and 2065 transitions. [2020-07-19 22:56:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 22:56:27,177 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-07-19 22:56:27,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:27,184 INFO L225 Difference]: With dead ends: 1629 [2020-07-19 22:56:27,184 INFO L226 Difference]: Without dead ends: 1277 [2020-07-19 22:56:27,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 22:56:27,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2020-07-19 22:56:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1157. [2020-07-19 22:56:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1157 states. [2020-07-19 22:56:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1355 transitions. [2020-07-19 22:56:27,378 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1355 transitions. Word has length 92 [2020-07-19 22:56:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:27,379 INFO L479 AbstractCegarLoop]: Abstraction has 1157 states and 1355 transitions. [2020-07-19 22:56:27,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:56:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1355 transitions. [2020-07-19 22:56:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-19 22:56:27,382 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:27,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:27,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:56:27,383 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:27,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:27,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1966372220, now seen corresponding path program 1 times [2020-07-19 22:56:27,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:27,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348809761] [2020-07-19 22:56:27,384 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,686 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 22:56:27,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348809761] [2020-07-19 22:56:27,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3024911] [2020-07-19 22:56:27,965 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4767ae0 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 22:56:28,495 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4767ae0 issued 4 check-sat command(s) [2020-07-19 22:56:28,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:56:28,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:56:28,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:56:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:56:28,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:56:28,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:56:28,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721516355] [2020-07-19 22:56:28,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:56:28,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:28,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:56:28,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:56:28,659 INFO L87 Difference]: Start difference. First operand 1157 states and 1355 transitions. Second operand 20 states. [2020-07-19 22:56:29,264 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:29,605 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:56:29,883 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:56:30,150 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:56:30,901 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:56:31,210 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:31,531 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:56:31,905 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:56:33,054 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:34,156 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:56:34,489 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:34,854 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:35,600 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:56:36,273 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:36,496 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:36,759 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:37,028 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:56:37,744 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:38,580 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:56:38,893 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:39,179 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:39,454 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:39,725 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:56:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:40,007 INFO L93 Difference]: Finished difference Result 2452 states and 2985 transitions. [2020-07-19 22:56:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-07-19 22:56:40,008 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 136 [2020-07-19 22:56:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:40,016 INFO L225 Difference]: With dead ends: 2452 [2020-07-19 22:56:40,017 INFO L226 Difference]: Without dead ends: 1493 [2020-07-19 22:56:40,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=925, Invalid=3905, Unknown=0, NotChecked=0, Total=4830 [2020-07-19 22:56:40,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2020-07-19 22:56:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1323. [2020-07-19 22:56:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states. [2020-07-19 22:56:40,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1533 transitions. [2020-07-19 22:56:40,300 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1533 transitions. Word has length 136 [2020-07-19 22:56:40,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:40,300 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1533 transitions. [2020-07-19 22:56:40,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:56:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1533 transitions. [2020-07-19 22:56:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-07-19 22:56:40,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:40,310 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, 2, 2, 2, 2, 2, 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] [2020-07-19 22:56:40,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 22:56:40,525 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:40,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:40,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1880321482, now seen corresponding path program 1 times [2020-07-19 22:56:40,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:40,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314943919] [2020-07-19 22:56:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,860 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-19 22:56:41,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314943919] [2020-07-19 22:56:41,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029059873] [2020-07-19 22:56:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3b052e39 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:56:42,065 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3b052e39 issued 3 check-sat command(s) [2020-07-19 22:56:42,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:56:42,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 22:56:42,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:56:42,383 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 182 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-07-19 22:56:42,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:56:42,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2020-07-19 22:56:42,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750478284] [2020-07-19 22:56:42,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-19 22:56:42,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:42,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-19 22:56:42,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2020-07-19 22:56:42,388 INFO L87 Difference]: Start difference. First operand 1323 states and 1533 transitions. Second operand 26 states. [2020-07-19 22:56:43,632 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 22:56:44,598 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:45,812 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 22:56:46,370 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 22:56:46,622 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:47,106 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 22:56:47,358 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:47,712 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:48,003 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:48,261 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:49,083 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:49,450 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:54,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:54,301 INFO L93 Difference]: Finished difference Result 3704 states and 4956 transitions. [2020-07-19 22:56:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-07-19 22:56:54,305 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 244 [2020-07-19 22:56:54,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:54,320 INFO L225 Difference]: With dead ends: 3704 [2020-07-19 22:56:54,320 INFO L226 Difference]: Without dead ends: 2432 [2020-07-19 22:56:54,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=883, Invalid=4229, Unknown=0, NotChecked=0, Total=5112 [2020-07-19 22:56:54,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2020-07-19 22:56:54,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 1695. [2020-07-19 22:56:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2020-07-19 22:56:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 1977 transitions. [2020-07-19 22:56:54,684 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 1977 transitions. Word has length 244 [2020-07-19 22:56:54,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:54,687 INFO L479 AbstractCegarLoop]: Abstraction has 1695 states and 1977 transitions. [2020-07-19 22:56:54,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-19 22:56:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1977 transitions. [2020-07-19 22:56:54,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-07-19 22:56:54,693 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:54,694 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:56:54,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:56:54,909 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:54,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2062539546, now seen corresponding path program 1 times [2020-07-19 22:56:54,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:54,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718119167] [2020-07-19 22:56:54,910 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:56:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,298 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 94 proven. 35 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2020-07-19 22:56:55,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718119167] [2020-07-19 22:56:55,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860559637] [2020-07-19 22:56:55,872 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@418d0d8a 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 22:56:56,597 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@418d0d8a issued 3 check-sat command(s) [2020-07-19 22:56:56,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:56:56,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-19 22:56:56,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:56:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 219 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-19 22:56:56,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:56:56,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-07-19 22:56:56,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617598653] [2020-07-19 22:56:56,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-19 22:56:56,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:56,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-19 22:56:56,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:56:56,983 INFO L87 Difference]: Start difference. First operand 1695 states and 1977 transitions. Second operand 23 states. [2020-07-19 22:56:58,075 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 22:56:58,646 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 22:56:59,143 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:56:59,610 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:57:00,717 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:57:01,751 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:02,342 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:57:02,810 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:57:03,674 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:04,371 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:04,634 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:05,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:05,487 INFO L93 Difference]: Finished difference Result 3359 states and 4078 transitions. [2020-07-19 22:57:05,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-19 22:57:05,489 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 260 [2020-07-19 22:57:05,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:05,500 INFO L225 Difference]: With dead ends: 3359 [2020-07-19 22:57:05,500 INFO L226 Difference]: Without dead ends: 1885 [2020-07-19 22:57:05,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=486, Invalid=2064, Unknown=0, NotChecked=0, Total=2550 [2020-07-19 22:57:05,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2020-07-19 22:57:05,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1697. [2020-07-19 22:57:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1697 states. [2020-07-19 22:57:05,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1973 transitions. [2020-07-19 22:57:05,909 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 1973 transitions. Word has length 260 [2020-07-19 22:57:05,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:05,909 INFO L479 AbstractCegarLoop]: Abstraction has 1697 states and 1973 transitions. [2020-07-19 22:57:05,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-19 22:57:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1973 transitions. [2020-07-19 22:57:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-07-19 22:57:05,917 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:05,917 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:57:06,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 22:57:06,131 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:06,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:06,131 INFO L82 PathProgramCache]: Analyzing trace with hash -565839836, now seen corresponding path program 1 times [2020-07-19 22:57:06,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:06,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242885955] [2020-07-19 22:57:06,132 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:57:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,457 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-07-19 22:57:06,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242885955] [2020-07-19 22:57:06,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988739292] [2020-07-19 22:57:06,672 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@47b5f7d8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:57:07,125 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@47b5f7d8 issued 4 check-sat command(s) [2020-07-19 22:57:07,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:57:07,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 22:57:07,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:57:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 158 proven. 16 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-19 22:57:07,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:57:07,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2020-07-19 22:57:07,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156651904] [2020-07-19 22:57:07,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-19 22:57:07,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:07,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-19 22:57:07,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:57:07,302 INFO L87 Difference]: Start difference. First operand 1697 states and 1973 transitions. Second operand 15 states. [2020-07-19 22:57:07,716 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:08,421 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:08,830 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:09,198 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:11,573 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:12,183 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:14,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:14,072 INFO L93 Difference]: Finished difference Result 3627 states and 4578 transitions. [2020-07-19 22:57:14,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-19 22:57:14,074 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 262 [2020-07-19 22:57:14,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:14,086 INFO L225 Difference]: With dead ends: 3627 [2020-07-19 22:57:14,086 INFO L226 Difference]: Without dead ends: 1880 [2020-07-19 22:57:14,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 373 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2014 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1283, Invalid=4417, Unknown=0, NotChecked=0, Total=5700 [2020-07-19 22:57:14,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2020-07-19 22:57:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1377. [2020-07-19 22:57:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-07-19 22:57:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1572 transitions. [2020-07-19 22:57:14,413 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1572 transitions. Word has length 262 [2020-07-19 22:57:14,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:14,414 INFO L479 AbstractCegarLoop]: Abstraction has 1377 states and 1572 transitions. [2020-07-19 22:57:14,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-19 22:57:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1572 transitions. [2020-07-19 22:57:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-07-19 22:57:14,420 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:14,421 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:14,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:57:14,634 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:14,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:14,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1368371494, now seen corresponding path program 1 times [2020-07-19 22:57:14,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:14,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442969911] [2020-07-19 22:57:14,636 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3236b0f1 [2020-07-19 22:57:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,057 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 112 proven. 90 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-07-19 22:57:15,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442969911] [2020-07-19 22:57:15,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900964980] [2020-07-19 22:57:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e784f26 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 22:57:16,515 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e784f26 issued 4 check-sat command(s) [2020-07-19 22:57:16,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:57:16,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-19 22:57:16,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:57:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-07-19 22:57:16,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:57:16,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [24] total 26 [2020-07-19 22:57:16,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383197752] [2020-07-19 22:57:16,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:57:16,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:16,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:57:16,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=564, Unknown=0, NotChecked=0, Total=650 [2020-07-19 22:57:16,686 INFO L87 Difference]: Start difference. First operand 1377 states and 1572 transitions. Second operand 7 states. [2020-07-19 22:57:17,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:17,273 INFO L93 Difference]: Finished difference Result 2350 states and 2716 transitions. [2020-07-19 22:57:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:57:17,274 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 307 [2020-07-19 22:57:17,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:17,275 INFO L225 Difference]: With dead ends: 2350 [2020-07-19 22:57:17,275 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:57:17,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 398 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2020-07-19 22:57:17,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:57:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:57:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:57:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:57:17,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 307 [2020-07-19 22:57:17,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:17,282 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:57:17,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:57:17,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:57:17,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:57:17,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 22:57:17,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:57:20,568 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 584 DAG size of output: 443 [2020-07-19 22:57:22,178 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2020-07-19 22:57:22,312 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-07-19 22:57:26,996 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 380 [2020-07-19 22:57:28,796 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 365 [2020-07-19 22:57:29,368 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 362 [2020-07-19 22:57:30,202 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 420 [2020-07-19 22:57:32,698 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-07-19 22:57:33,357 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 350 [2020-07-19 22:57:34,206 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 25 [2020-07-19 22:57:34,739 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2020-07-19 22:57:35,064 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-07-19 22:57:35,457 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 22:57:35,599 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:57:37,491 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 371 DAG size of output: 37 [2020-07-19 22:57:37,674 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 22:57:38,008 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-07-19 22:57:38,192 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 22:57:39,111 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 28 [2020-07-19 22:57:39,745 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-07-19 22:57:39,916 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-07-19 22:57:40,071 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-19 22:57:41,361 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 218 DAG size of output: 25 [2020-07-19 22:57:41,562 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:41,841 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-07-19 22:57:43,641 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 248 DAG size of output: 40 [2020-07-19 22:57:43,794 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-19 22:57:44,435 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-07-19 22:57:45,952 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 216 DAG size of output: 34 [2020-07-19 22:57:46,148 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-19 22:57:46,829 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 27 [2020-07-19 22:57:47,855 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 39 [2020-07-19 22:57:49,063 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 195 DAG size of output: 33 [2020-07-19 22:57:49,271 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-19 22:57:50,994 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 238 DAG size of output: 31 [2020-07-19 22:57:51,189 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-19 22:57:52,007 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 30 [2020-07-19 22:57:52,648 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-07-19 22:57:53,440 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 59 [2020-07-19 22:57:54,202 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 36 [2020-07-19 22:57:55,180 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 31 [2020-07-19 22:57:55,365 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 22:57:56,632 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 323 DAG size of output: 37 [2020-07-19 22:57:56,839 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 15 [2020-07-19 22:57:57,018 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-19 22:57:57,557 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 24 [2020-07-19 22:57:57,883 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-07-19 22:57:58,072 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 22:57:58,268 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 22:57:58,947 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 19 [2020-07-19 22:57:59,266 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2020-07-19 22:58:00,613 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 240 DAG size of output: 30 [2020-07-19 22:58:01,348 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 28 [2020-07-19 22:58:01,353 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 376) no Hoare annotation was computed. [2020-07-19 22:58:01,353 INFO L268 CegarLoopResult]: For program point L377(lines 354 378) no Hoare annotation was computed. [2020-07-19 22:58:01,353 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 330 385) no Hoare annotation was computed. [2020-07-19 22:58:01,353 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-07-19 22:58:01,353 INFO L268 CegarLoopResult]: For program point L361-1(lines 361 365) no Hoare annotation was computed. [2020-07-19 22:58:01,353 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 330 385) no Hoare annotation was computed. [2020-07-19 22:58:01,353 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 330 385) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point L418-1(lines 418 422) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point L412-2(lines 412 437) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point L438(lines 411 439) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 386 445) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 386 445) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-07-19 22:58:01,354 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 386 445) no Hoare annotation was computed. [2020-07-19 22:58:01,355 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-07-19 22:58:01,355 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-19 22:58:01,355 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-19 22:58:01,355 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:58:01,355 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-19 22:58:01,355 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:58:01,355 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 816 823) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:58:01,355 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2020-07-19 22:58:01,355 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2020-07-19 22:58:01,356 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 824 833) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse6 .cse5 .cse3) (or .cse4 .cse1 .cse6 .cse2) (or .cse1 .cse6 .cse2 .cse3))) [2020-07-19 22:58:01,356 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-19 22:58:01,356 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2020-07-19 22:58:01,356 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2020-07-19 22:58:01,356 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse3 .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 22:58:01,356 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2020-07-19 22:58:01,356 INFO L268 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-07-19 22:58:01,357 INFO L268 CegarLoopResult]: For program point L846(lines 846 856) no Hoare annotation was computed. [2020-07-19 22:58:01,357 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse3 (= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse6 .cse0 .cse1) (or .cse3 .cse4 .cse6 .cse1) (or .cse0 .cse5 .cse2))) [2020-07-19 22:58:01,357 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2020-07-19 22:58:01,357 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-19 22:58:01,357 INFO L268 CegarLoopResult]: For program point L842(lines 842 859) no Hoare annotation was computed. [2020-07-19 22:58:01,357 INFO L268 CegarLoopResult]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2020-07-19 22:58:01,357 INFO L271 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: true [2020-07-19 22:58:01,357 INFO L268 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-07-19 22:58:01,358 INFO L264 CegarLoopResult]: At program point L802-1(line 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,358 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-07-19 22:58:01,358 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2020-07-19 22:58:01,358 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-19 22:58:01,358 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 790 812) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,358 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,358 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,359 INFO L264 CegarLoopResult]: At program point L796-1(line 796) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,359 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2020-07-19 22:58:01,359 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2020-07-19 22:58:01,359 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,359 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 747 770) no Hoare annotation was computed. [2020-07-19 22:58:01,359 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-07-19 22:58:01,359 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 747 770) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 747 770) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-07-19 22:58:01,360 INFO L268 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-07-19 22:58:01,361 INFO L268 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-07-19 22:58:01,361 INFO L268 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-07-19 22:58:01,361 INFO L268 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-07-19 22:58:01,361 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-07-19 22:58:01,361 INFO L268 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-07-19 22:58:01,361 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2020-07-19 22:58:01,361 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 254 268) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~switchedOnBeforeTS~0) (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)))))) [2020-07-19 22:58:01,361 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2020-07-19 22:58:01,362 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= 0 ~switchedOnBeforeTS~0) (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-07-19 22:58:01,362 INFO L268 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-07-19 22:58:01,362 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2020-07-19 22:58:01,362 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2020-07-19 22:58:01,362 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2020-07-19 22:58:01,362 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-07-19 22:58:01,362 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 226) no Hoare annotation was computed. [2020-07-19 22:58:01,362 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 199 234) no Hoare annotation was computed. [2020-07-19 22:58:01,362 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 199 234) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 199 234) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 284 329) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 284 329) no Hoare annotation was computed. [2020-07-19 22:58:01,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 284 329) no Hoare annotation was computed. [2020-07-19 22:58:01,364 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 597 642) no Hoare annotation was computed. [2020-07-19 22:58:01,364 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 597 642) no Hoare annotation was computed. [2020-07-19 22:58:01,364 INFO L268 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-07-19 22:58:01,364 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 597 642) no Hoare annotation was computed. [2020-07-19 22:58:01,364 INFO L268 CegarLoopResult]: For program point L611(lines 611 631) no Hoare annotation was computed. [2020-07-19 22:58:01,364 INFO L268 CegarLoopResult]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2020-07-19 22:58:01,364 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,364 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 779 789) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,364 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2020-07-19 22:58:01,365 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2020-07-19 22:58:01,365 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 179 189) no Hoare annotation was computed. [2020-07-19 22:58:01,365 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2020-07-19 22:58:01,365 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 22:58:01,365 INFO L268 CegarLoopResult]: For program point L184-1(line 184) no Hoare annotation was computed. [2020-07-19 22:58:01,365 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2020-07-19 22:58:01,365 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~switchedOnBeforeTS~0) (not (<= ~waterLevel~0 1))) (or .cse1 .cse0 (not (= 2 ~waterLevel~0))))) [2020-07-19 22:58:01,365 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2020-07-19 22:58:01,365 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2020-07-19 22:58:01,366 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2020-07-19 22:58:01,366 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-07-19 22:58:01,366 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2020-07-19 22:58:01,366 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2020-07-19 22:58:01,366 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-19 22:58:01,366 INFO L268 CegarLoopResult]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2020-07-19 22:58:01,366 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (and (= 0 processEnvironment_~tmp~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2020-07-19 22:58:01,366 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2020-07-19 22:58:01,367 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0)) .cse0))) [2020-07-19 22:58:01,367 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 138 162) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 22:58:01,367 INFO L268 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2020-07-19 22:58:01,367 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 22:58:01,367 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-07-19 22:58:01,367 INFO L268 CegarLoopResult]: For program point L142(lines 142 159) no Hoare annotation was computed. [2020-07-19 22:58:01,367 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2020-07-19 22:58:01,368 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2020-07-19 22:58:01,368 INFO L264 CegarLoopResult]: At program point L704(lines 657 706) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse4))) [2020-07-19 22:58:01,368 INFO L264 CegarLoopResult]: At program point testENTRY(lines 647 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,368 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= ~waterLevel~0 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 2) .cse2 .cse4) (and .cse0 .cse3 .cse1 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse4))) [2020-07-19 22:58:01,368 INFO L268 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2020-07-19 22:58:01,368 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-07-19 22:58:01,368 INFO L268 CegarLoopResult]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2020-07-19 22:58:01,368 INFO L268 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2020-07-19 22:58:01,369 INFO L264 CegarLoopResult]: At program point L707(lines 656 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:58:01,369 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (not (= 0 ~switchedOnBeforeTS~0)) .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse2) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:58:01,369 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-07-19 22:58:01,369 INFO L264 CegarLoopResult]: At program point L695-1(lines 687 702) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2) (and .cse0 .cse3 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse6 .cse4 .cse5))) [2020-07-19 22:58:01,369 INFO L268 CegarLoopResult]: For program point L658(lines 657 706) no Hoare annotation was computed. [2020-07-19 22:58:01,369 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:58:01,369 INFO L268 CegarLoopResult]: For program point L687(lines 687 702) no Hoare annotation was computed. [2020-07-19 22:58:01,370 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse2) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-19 22:58:01,370 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-07-19 22:58:01,370 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2020-07-19 22:58:01,370 INFO L268 CegarLoopResult]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2020-07-19 22:58:01,370 INFO L268 CegarLoopResult]: For program point L571(lines 571 578) no Hoare annotation was computed. [2020-07-19 22:58:01,370 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 551 596) no Hoare annotation was computed. [2020-07-19 22:58:01,370 INFO L268 CegarLoopResult]: For program point L565(lines 565 585) no Hoare annotation was computed. [2020-07-19 22:58:01,370 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 551 596) no Hoare annotation was computed. [2020-07-19 22:58:01,370 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 585) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 551 596) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 911 933) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point L919(lines 919 927) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 911 933) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point L919-2(lines 919 927) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 911 933) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:58:01,371 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 448 550) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L477(lines 477 493) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L537(lines 537 544) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L498(lines 497 517) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L494(lines 494 535) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 448 550) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-19 22:58:01,372 INFO L268 CegarLoopResult]: For program point L536(lines 536 547) no Hoare annotation was computed. [2020-07-19 22:58:01,373 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-07-19 22:58:01,373 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 448 550) no Hoare annotation was computed. [2020-07-19 22:58:01,373 INFO L268 CegarLoopResult]: For program point L497-2(lines 497 517) no Hoare annotation was computed. [2020-07-19 22:58:01,373 INFO L268 CegarLoopResult]: For program point L518(lines 496 519) no Hoare annotation was computed. [2020-07-19 22:58:01,373 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:58:01,373 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#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~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-19 22:58:01,374 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:58:01,374 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2020-07-19 22:58:01,374 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2020-07-19 22:58:01,374 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 163 170) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 22:58:01,374 INFO L268 CegarLoopResult]: For program point L242-1(line 242) no Hoare annotation was computed. [2020-07-19 22:58:01,374 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2020-07-19 22:58:01,374 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2020-07-19 22:58:01,374 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2020-07-19 22:58:01,374 INFO L268 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2020-07-19 22:58:01,374 INFO L271 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: true [2020-07-19 22:58:01,375 INFO L268 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2020-07-19 22:58:01,375 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2020-07-19 22:58:01,375 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-19 22:58:01,375 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-19 22:58:01,375 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:58:01,375 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:58:01,375 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:58:01,375 INFO L268 CegarLoopResult]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2020-07-19 22:58:01,375 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse5 .cse6) (or .cse0 (not (<= ~waterLevel~0 2)) .cse3 .cse6))) [2020-07-19 22:58:01,376 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2020-07-19 22:58:01,376 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 902 910) no Hoare annotation was computed. [2020-07-19 22:58:01,376 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 902 910) no Hoare annotation was computed. [2020-07-19 22:58:01,376 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2020-07-19 22:58:01,376 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse4 .cse5 (<= ~waterLevel~0 0) .cse8 .cse9 (<= 1 ~pumpRunning~0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not .cse9))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 0)) .cse3) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) (and .cse4 .cse5 (= 1 ~waterLevel~0)) .cse3) (or (not (= 0 ~systemActive~0)) .cse6 .cse7) (or (and (= 0 ~pumpRunning~0) .cse8) .cse6 .cse7 .cse3) (or .cse0 (and .cse4 .cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse1 .cse2 .cse7 .cse3)))) [2020-07-19 22:58:01,376 INFO L264 CegarLoopResult]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (= 1 ~waterLevel~0)) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse0 (and .cse3 .cse12)) (.cse8 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (and .cse3 .cse4) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse5) (or .cse0 .cse2 .cse6 .cse5) (or .cse7 .cse8 (and .cse9 .cse10 .cse4) .cse5) (or .cse11 (and .cse9 .cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse7 (not (<= |old(~waterLevel~0)| 2)) (and .cse9 .cse10 (<= ~waterLevel~0 0)) .cse5) (or .cse11 .cse7 .cse6 .cse12 .cse5) (or (and .cse12 (<= 1 ~pumpRunning~0)) (and (= 2 ~waterLevel~0) .cse3) .cse8 .cse2 .cse5) (or .cse0 .cse8 .cse1 .cse2)))) [2020-07-19 22:58:01,377 INFO L264 CegarLoopResult]: At program point L112(line 112) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse3 .cse4 .cse2) (or .cse5 .cse0 (not (<= |old(~waterLevel~0)| 0)) .cse1 .cse2) (or .cse5 .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-07-19 22:58:01,377 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 103 129) the Hoare annotation is: (let ((.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (and (= 0 ~pumpRunning~0) .cse8 .cse9)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse4 .cse5 .cse6) (or .cse7 .cse4 .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse3)))) [2020-07-19 22:58:01,377 INFO L268 CegarLoopResult]: For program point L110(lines 106 128) no Hoare annotation was computed. [2020-07-19 22:58:01,377 INFO L268 CegarLoopResult]: For program point L108(lines 106 128) no Hoare annotation was computed. [2020-07-19 22:58:01,377 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2020-07-19 22:58:01,377 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2020-07-19 22:58:01,377 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2020-07-19 22:58:01,378 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2020-07-19 22:58:01,378 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-19 22:58:01,378 INFO L271 CegarLoopResult]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2020-07-19 22:58:01,378 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-19 22:58:01,378 INFO L271 CegarLoopResult]: At program point L727-2(lines 727 741) the Hoare annotation is: true [2020-07-19 22:58:01,378 INFO L271 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: true [2020-07-19 22:58:01,378 INFO L268 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-07-19 22:58:01,378 INFO L271 CegarLoopResult]: At program point L742(lines 717 746) the Hoare annotation is: true [2020-07-19 22:58:01,379 INFO L268 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-07-19 22:58:01,379 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 866 877) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (or (not (= 2 |old(~waterLevel~0)|)) (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:58:01,379 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2020-07-19 22:58:01,379 INFO L268 CegarLoopResult]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2020-07-19 22:58:01,379 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2020-07-19 22:58:01,379 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2020-07-19 22:58:01,379 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:58:01,379 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:58:01,380 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:58:01,380 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:58:01,380 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2020-07-19 22:58:01,380 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-07-19 22:58:01,380 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2020-07-19 22:58:01,380 INFO L268 CegarLoopResult]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2020-07-19 22:58:01,380 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2020-07-19 22:58:01,381 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse2) (or .cse5 .cse3 .cse4 .cse2) (or (not (= 0 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) .cse3 .cse4))) [2020-07-19 22:58:01,381 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-07-19 22:58:01,381 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-19 22:58:01,381 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-07-19 22:58:01,381 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-07-19 22:58:01,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:58:01 BoogieIcfgContainer [2020-07-19 22:58:01,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:58:01,401 INFO L168 Benchmark]: Toolchain (without parser) took 123577.44 ms. Allocated memory was 138.9 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 102.4 MB in the beginning and 274.7 MB in the end (delta: -172.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-19 22:58:01,401 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:58:01,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.30 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 173.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-07-19 22:58:01,402 INFO L168 Benchmark]: Boogie Preprocessor took 85.92 ms. Allocated memory is still 203.4 MB. Free memory was 173.2 MB in the beginning and 169.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:58:01,402 INFO L168 Benchmark]: RCFGBuilder took 1068.00 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.0 MB in the beginning and 199.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:58:01,403 INFO L168 Benchmark]: TraceAbstraction took 121769.12 ms. Allocated memory was 237.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 197.6 MB in the beginning and 274.7 MB in the end (delta: -77.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-19 22:58:01,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.30 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 173.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.92 ms. Allocated memory is still 203.4 MB. Free memory was 173.2 MB in the beginning and 169.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1068.00 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.0 MB in the beginning and 199.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 121769.12 ms. Allocated memory was 237.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 197.6 MB in the beginning and 274.7 MB in the end (delta: -77.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 77.8s, OverallIterations: 13, TraceHistogramMax: 9, AutomataDifference: 61.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 43.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2031 SDtfs, 6086 SDslu, 4550 SDs, 0 SdLazy, 18274 SolverSat, 5270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2290 GetRequests, 1876 SyntacticMatches, 9 SemanticMatches, 405 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6049 ImplicationChecksByTransitivity, 32.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1697occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 2218 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 3815 PreInvPairs, 4062 NumberOfFragments, 2316 HoareAnnotationTreeSize, 3815 FomulaSimplifications, 1756771251 FormulaSimplificationTreeSizeReduction, 15.8s HoareSimplificationTime, 58 FomulaSimplificationsInter, 6936951 FormulaSimplificationTreeSizeReductionInter, 27.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 3028 NumberOfCodeBlocks, 2902 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 3010 ConstructedInterpolants, 0 QuantifiedInterpolants, 1472915 SizeOfPredicates, 20 NumberOfNonLiveVariables, 5507 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2494/2706 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...