/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:25:26,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:25:26,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:25:26,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:25:26,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:25:26,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:25:26,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:25:26,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:25:26,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:25:26,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:25:26,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:25:26,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:25:26,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:25:26,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:25:26,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:25:26,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:25:26,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:25:26,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:25:26,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:25:26,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:25:26,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:25:26,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:25:26,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:25:26,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:25:26,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:25:26,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:25:26,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:25:26,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:25:26,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:25:26,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:25:26,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:25:26,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:25:26,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:25:26,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:25:26,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:25:26,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:25:26,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:25:26,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:25:26,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:25:26,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:25:26,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:25:26,610 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 [2020-07-20 16:25:26,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:25:26,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:25:26,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:25:26,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:25:26,635 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:25:26,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:25:26,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:25:26,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:25:26,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:25:26,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:25:26,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:25:26,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:25:26,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:25:26,638 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:25:26,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:25:26,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:25:26,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:25:26,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:25:26,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:25:26,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:25:26,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:25:26,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:26,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:25:26,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:25:26,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:25:26,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:25:26,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:26,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:25:26,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:25:26,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES 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 [2020-07-20 16:25:26,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:25:26,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:25:26,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:25:26,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:25:26,927 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:25:26,928 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-07-20 16:25:26,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996965ab0/65437c1d3aa84b479c68bdfab92e3c9e/FLAGa287f8c9c [2020-07-20 16:25:27,522 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:25:27,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-07-20 16:25:27,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996965ab0/65437c1d3aa84b479c68bdfab92e3c9e/FLAGa287f8c9c [2020-07-20 16:25:27,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996965ab0/65437c1d3aa84b479c68bdfab92e3c9e [2020-07-20 16:25:27,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:25:27,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:25:27,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:27,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:25:27,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:25:27,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:27" (1/1) ... [2020-07-20 16:25:27,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9c692d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:27, skipping insertion in model container [2020-07-20 16:25:27,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:27" (1/1) ... [2020-07-20 16:25:27,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:25:27,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:25:28,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:28,425 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:25:28,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:28,555 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:25:28,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28 WrapperNode [2020-07-20 16:25:28,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:28,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:25:28,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:25:28,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:25:28,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:25:28,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:25:28,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:25:28,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:25:28,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (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 [2020-07-20 16:25:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:25:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:25:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:25:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:25:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:25:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:25:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:25:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:25:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:25:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:25:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:25:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:25:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:25:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:25:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:25:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:25:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:25:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:25:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:25:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:25:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:25:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:25:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:25:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:25:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:25:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:25:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:25:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:25:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:25:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:25:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:25:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:25:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:25:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:25:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:25:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:25:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:25:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:25:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:25:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:25:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:25:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:25:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:25:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:25:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:25:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:25:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:25:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:25:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:25:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:25:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:25:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:25:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:25:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:25:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:25:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:25:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:25:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:25:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:25:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:25:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:25:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:25:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:25:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:25:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:25:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:25:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:25:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:25:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:25:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:25:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:25:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:25:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:25:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:25:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:25:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:25:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:25:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:25:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:25:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:25:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:25:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:25:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:25:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:25:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:25:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:25:29,784 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:25:29,785 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:25:29,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:29 BoogieIcfgContainer [2020-07-20 16:25:29,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:25:29,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:25:29,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:25:29,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:25:29,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:25:27" (1/3) ... [2020-07-20 16:25:29,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e1b0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:29, skipping insertion in model container [2020-07-20 16:25:29,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (2/3) ... [2020-07-20 16:25:29,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e1b0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:29, skipping insertion in model container [2020-07-20 16:25:29,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:29" (3/3) ... [2020-07-20 16:25:29,800 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2020-07-20 16:25:29,812 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:25:29,821 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:25:29,837 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:25:29,863 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:25:29,864 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:25:29,864 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:25:29,864 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:25:29,865 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:25:29,865 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:25:29,865 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:25:29,865 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:25:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-07-20 16:25:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:25:29,899 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:29,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:29,900 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:29,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:29,907 INFO L82 PathProgramCache]: Analyzing trace with hash -298144076, now seen corresponding path program 1 times [2020-07-20 16:25:29,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:29,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453078058] [2020-07-20 16:25:29,917 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:30,409 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:30,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:30,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:25:30,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:30,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:30,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453078058] [2020-07-20 16:25:30,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:30,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:25:30,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814459682] [2020-07-20 16:25:30,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:25:30,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:30,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:25:30,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:30,493 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states. [2020-07-20 16:25:30,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:30,538 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2020-07-20 16:25:30,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:25:30,540 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:25:30,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:30,550 INFO L225 Difference]: With dead ends: 294 [2020-07-20 16:25:30,551 INFO L226 Difference]: Without dead ends: 147 [2020-07-20 16:25:30,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:30,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-20 16:25:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-07-20 16:25:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-20 16:25:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2020-07-20 16:25:30,617 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2020-07-20 16:25:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:30,618 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2020-07-20 16:25:30,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:25:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2020-07-20 16:25:30,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:25:30,622 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:30,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:30,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:30,838 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:30,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:30,839 INFO L82 PathProgramCache]: Analyzing trace with hash -491113124, now seen corresponding path program 1 times [2020-07-20 16:25:30,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:30,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015870827] [2020-07-20 16:25:30,840 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:31,336 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:31,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:31,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:25:31,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:31,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:31,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015870827] [2020-07-20 16:25:31,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:31,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:31,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295653671] [2020-07-20 16:25:31,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:31,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:31,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:31,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:31,405 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 3 states. [2020-07-20 16:25:31,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:31,429 INFO L93 Difference]: Finished difference Result 239 states and 275 transitions. [2020-07-20 16:25:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:31,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:25:31,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:31,433 INFO L225 Difference]: With dead ends: 239 [2020-07-20 16:25:31,433 INFO L226 Difference]: Without dead ends: 138 [2020-07-20 16:25:31,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:31,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-20 16:25:31,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-20 16:25:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 16:25:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2020-07-20 16:25:31,451 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2020-07-20 16:25:31,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:31,451 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2020-07-20 16:25:31,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2020-07-20 16:25:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:25:31,454 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:31,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:31,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:31,668 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:31,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:31,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1388977157, now seen corresponding path program 1 times [2020-07-20 16:25:31,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:31,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252785486] [2020-07-20 16:25:31,670 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:32,128 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:32,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:32,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:25:32,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:32,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:32,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252785486] [2020-07-20 16:25:32,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:32,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:32,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914504638] [2020-07-20 16:25:32,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:32,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:32,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:32,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:32,165 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 3 states. [2020-07-20 16:25:32,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:32,186 INFO L93 Difference]: Finished difference Result 252 states and 293 transitions. [2020-07-20 16:25:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:32,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:25:32,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:32,190 INFO L225 Difference]: With dead ends: 252 [2020-07-20 16:25:32,190 INFO L226 Difference]: Without dead ends: 138 [2020-07-20 16:25:32,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:32,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-20 16:25:32,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-20 16:25:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 16:25:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2020-07-20 16:25:32,207 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2020-07-20 16:25:32,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:32,207 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2020-07-20 16:25:32,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2020-07-20 16:25:32,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:25:32,214 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:32,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:32,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:32,429 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:32,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:32,430 INFO L82 PathProgramCache]: Analyzing trace with hash 105794737, now seen corresponding path program 1 times [2020-07-20 16:25:32,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:32,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583591504] [2020-07-20 16:25:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:32,832 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:32,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:32,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:25:32,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:32,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:32,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583591504] [2020-07-20 16:25:32,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:32,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:32,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356362951] [2020-07-20 16:25:32,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:32,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:32,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:32,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:32,878 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 6 states. [2020-07-20 16:25:33,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:33,587 INFO L93 Difference]: Finished difference Result 335 states and 399 transitions. [2020-07-20 16:25:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:25:33,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 16:25:33,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:33,591 INFO L225 Difference]: With dead ends: 335 [2020-07-20 16:25:33,591 INFO L226 Difference]: Without dead ends: 221 [2020-07-20 16:25:33,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:33,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-20 16:25:33,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 205. [2020-07-20 16:25:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-07-20 16:25:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 229 transitions. [2020-07-20 16:25:33,620 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 229 transitions. Word has length 65 [2020-07-20 16:25:33,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:33,621 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 229 transitions. [2020-07-20 16:25:33,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 229 transitions. [2020-07-20 16:25:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 16:25:33,623 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:33,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:33,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,839 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:33,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:33,840 INFO L82 PathProgramCache]: Analyzing trace with hash -830596407, now seen corresponding path program 1 times [2020-07-20 16:25:33,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:33,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798373201] [2020-07-20 16:25:33,841 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,014 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:25:34,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:34,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:25:34,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:34,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:34,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798373201] [2020-07-20 16:25:34,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:34,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:25:34,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200037281] [2020-07-20 16:25:34,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:25:34,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:34,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:25:34,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:34,065 INFO L87 Difference]: Start difference. First operand 205 states and 229 transitions. Second operand 5 states. [2020-07-20 16:25:34,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:34,098 INFO L93 Difference]: Finished difference Result 393 states and 449 transitions. [2020-07-20 16:25:34,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:25:34,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-07-20 16:25:34,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:34,105 INFO L225 Difference]: With dead ends: 393 [2020-07-20 16:25:34,105 INFO L226 Difference]: Without dead ends: 212 [2020-07-20 16:25:34,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:34,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-20 16:25:34,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 209. [2020-07-20 16:25:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-20 16:25:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 233 transitions. [2020-07-20 16:25:34,135 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 233 transitions. Word has length 79 [2020-07-20 16:25:34,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:34,135 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 233 transitions. [2020-07-20 16:25:34,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:25:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 233 transitions. [2020-07-20 16:25:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 16:25:34,137 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:34,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:34,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,343 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:34,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:34,344 INFO L82 PathProgramCache]: Analyzing trace with hash 2078167495, now seen corresponding path program 1 times [2020-07-20 16:25:34,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:34,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589135725] [2020-07-20 16:25:34,346 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,717 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:34,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:34,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:25:34,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:34,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:34,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589135725] [2020-07-20 16:25:34,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:34,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:34,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684713755] [2020-07-20 16:25:34,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:34,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:34,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:34,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:34,797 INFO L87 Difference]: Start difference. First operand 209 states and 233 transitions. Second operand 6 states. [2020-07-20 16:25:35,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:35,052 INFO L93 Difference]: Finished difference Result 519 states and 607 transitions. [2020-07-20 16:25:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:35,053 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-07-20 16:25:35,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:35,057 INFO L225 Difference]: With dead ends: 519 [2020-07-20 16:25:35,057 INFO L226 Difference]: Without dead ends: 334 [2020-07-20 16:25:35,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:25:35,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-20 16:25:35,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2020-07-20 16:25:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-07-20 16:25:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 386 transitions. [2020-07-20 16:25:35,092 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 386 transitions. Word has length 79 [2020-07-20 16:25:35,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:35,093 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 386 transitions. [2020-07-20 16:25:35,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 386 transitions. [2020-07-20 16:25:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 16:25:35,119 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:35,119 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:35,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:35,333 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:35,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:35,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2098643833, now seen corresponding path program 1 times [2020-07-20 16:25:35,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:35,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143017658] [2020-07-20 16:25:35,335 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:35,740 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:35,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:35,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:35,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:25:35,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:35,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143017658] [2020-07-20 16:25:35,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:35,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:35,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467841008] [2020-07-20 16:25:35,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:35,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:35,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:35,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:35,798 INFO L87 Difference]: Start difference. First operand 334 states and 386 transitions. Second operand 6 states. [2020-07-20 16:25:35,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:35,854 INFO L93 Difference]: Finished difference Result 623 states and 746 transitions. [2020-07-20 16:25:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:35,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-07-20 16:25:35,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:35,858 INFO L225 Difference]: With dead ends: 623 [2020-07-20 16:25:35,858 INFO L226 Difference]: Without dead ends: 313 [2020-07-20 16:25:35,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:35,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-07-20 16:25:35,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 311. [2020-07-20 16:25:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-07-20 16:25:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 361 transitions. [2020-07-20 16:25:35,885 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 361 transitions. Word has length 145 [2020-07-20 16:25:35,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:35,885 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 361 transitions. [2020-07-20 16:25:35,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:35,886 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 361 transitions. [2020-07-20 16:25:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 16:25:35,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:35,889 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:36,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:36,102 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:36,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:36,103 INFO L82 PathProgramCache]: Analyzing trace with hash -231738166, now seen corresponding path program 1 times [2020-07-20 16:25:36,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:36,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785734120] [2020-07-20 16:25:36,104 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:36,394 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:25:36,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:36,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:25:36,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:36,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:36,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785734120] [2020-07-20 16:25:36,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:36,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:36,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788735013] [2020-07-20 16:25:36,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:36,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:36,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:36,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:36,477 INFO L87 Difference]: Start difference. First operand 311 states and 361 transitions. Second operand 6 states. [2020-07-20 16:25:37,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:37,344 INFO L93 Difference]: Finished difference Result 827 states and 1021 transitions. [2020-07-20 16:25:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:25:37,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-07-20 16:25:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:37,349 INFO L225 Difference]: With dead ends: 827 [2020-07-20 16:25:37,349 INFO L226 Difference]: Without dead ends: 540 [2020-07-20 16:25:37,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:37,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-07-20 16:25:37,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 524. [2020-07-20 16:25:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-07-20 16:25:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 622 transitions. [2020-07-20 16:25:37,391 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 622 transitions. Word has length 145 [2020-07-20 16:25:37,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:37,392 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 622 transitions. [2020-07-20 16:25:37,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 622 transitions. [2020-07-20 16:25:37,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 16:25:37,395 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:37,395 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:37,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:37,609 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:37,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:37,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1319690960, now seen corresponding path program 1 times [2020-07-20 16:25:37,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:37,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291411094] [2020-07-20 16:25:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:38,007 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:38,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:38,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:38,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:38,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:25:38,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291411094] [2020-07-20 16:25:38,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:38,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 16:25:38,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556508601] [2020-07-20 16:25:38,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 16:25:38,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:38,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 16:25:38,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 16:25:38,564 INFO L87 Difference]: Start difference. First operand 524 states and 622 transitions. Second operand 12 states. [2020-07-20 16:25:40,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:40,409 INFO L93 Difference]: Finished difference Result 1365 states and 1740 transitions. [2020-07-20 16:25:40,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:25:40,410 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2020-07-20 16:25:40,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:40,418 INFO L225 Difference]: With dead ends: 1365 [2020-07-20 16:25:40,418 INFO L226 Difference]: Without dead ends: 865 [2020-07-20 16:25:40,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 286 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 16:25:40,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-07-20 16:25:40,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 687. [2020-07-20 16:25:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-07-20 16:25:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 807 transitions. [2020-07-20 16:25:40,493 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 807 transitions. Word has length 149 [2020-07-20 16:25:40,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:40,495 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 807 transitions. [2020-07-20 16:25:40,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 16:25:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 807 transitions. [2020-07-20 16:25:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-20 16:25:40,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:40,503 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:40,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:40,718 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:40,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:40,719 INFO L82 PathProgramCache]: Analyzing trace with hash -968871008, now seen corresponding path program 1 times [2020-07-20 16:25:40,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:40,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112957674] [2020-07-20 16:25:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:41,135 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:41,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:41,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:25:41,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:41,227 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:41,227 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:25:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 16:25:41,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:41,642 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:41,706 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:41,706 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:41,763 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:41,765 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:41,784 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:41,784 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:41,826 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 50 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 16:25:42,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112957674] [2020-07-20 16:25:42,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:42,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 16:25:42,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451320940] [2020-07-20 16:25:42,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 16:25:42,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:42,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 16:25:42,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 16:25:42,102 INFO L87 Difference]: Start difference. First operand 687 states and 807 transitions. Second operand 16 states. [2020-07-20 16:25:44,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:44,498 INFO L93 Difference]: Finished difference Result 1936 states and 2471 transitions. [2020-07-20 16:25:44,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:25:44,499 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 203 [2020-07-20 16:25:44,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:44,509 INFO L225 Difference]: With dead ends: 1936 [2020-07-20 16:25:44,510 INFO L226 Difference]: Without dead ends: 1319 [2020-07-20 16:25:44,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 396 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2020-07-20 16:25:44,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2020-07-20 16:25:44,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1016. [2020-07-20 16:25:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2020-07-20 16:25:44,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1183 transitions. [2020-07-20 16:25:44,593 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1183 transitions. Word has length 203 [2020-07-20 16:25:44,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:44,594 INFO L479 AbstractCegarLoop]: Abstraction has 1016 states and 1183 transitions. [2020-07-20 16:25:44,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 16:25:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1183 transitions. [2020-07-20 16:25:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-20 16:25:44,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:44,598 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:44,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:44,812 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:44,812 INFO L82 PathProgramCache]: Analyzing trace with hash 597886942, now seen corresponding path program 1 times [2020-07-20 16:25:44,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:44,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50696277] [2020-07-20 16:25:44,813 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:45,416 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:45,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:45,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:25:45,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 16:25:45,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:45,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50696277] [2020-07-20 16:25:45,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:45,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:45,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879506712] [2020-07-20 16:25:45,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:45,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:45,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:45,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:45,481 INFO L87 Difference]: Start difference. First operand 1016 states and 1183 transitions. Second operand 6 states. [2020-07-20 16:25:45,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:45,527 INFO L93 Difference]: Finished difference Result 1324 states and 1535 transitions. [2020-07-20 16:25:45,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:45,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203 [2020-07-20 16:25:45,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:45,528 INFO L225 Difference]: With dead ends: 1324 [2020-07-20 16:25:45,529 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:25:45,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:25:45,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:25:45,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:25:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:25:45,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2020-07-20 16:25:45,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:45,533 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:25:45,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:25:45,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:25:45,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:45,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:25:47,320 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-07-20 16:25:47,476 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 16:25:47,772 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 16:25:47,975 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2020-07-20 16:25:48,118 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2020-07-20 16:25:48,363 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-07-20 16:25:48,599 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 21 [2020-07-20 16:25:48,783 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 16:25:49,026 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 16:25:49,697 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:25:49,697 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:25:49,697 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 16:25:49,697 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 16:25:49,697 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:25:49,697 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:25:49,697 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 16:25:49,698 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:25:49,699 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 16:25:49,699 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2020-07-20 16:25:49,699 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2020-07-20 16:25:49,699 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2020-07-20 16:25:49,699 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2020-07-20 16:25:49,700 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2020-07-20 16:25:49,700 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-07-20 16:25:49,700 INFO L268 CegarLoopResult]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2020-07-20 16:25:49,700 INFO L271 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: true [2020-07-20 16:25:49,701 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2020-07-20 16:25:49,701 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-07-20 16:25:49,701 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2020-07-20 16:25:49,701 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 16:25:49,701 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-20 16:25:49,702 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 16:25:49,702 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-07-20 16:25:49,702 INFO L268 CegarLoopResult]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2020-07-20 16:25:49,702 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-07-20 16:25:49,702 INFO L264 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,702 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,703 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,703 INFO L264 CegarLoopResult]: At program point L638-1(line 638) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,703 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2020-07-20 16:25:49,703 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2020-07-20 16:25:49,703 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,703 INFO L264 CegarLoopResult]: At program point L644-1(line 644) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,703 INFO L268 CegarLoopResult]: For program point L642(lines 642 649) no Hoare annotation was computed. [2020-07-20 16:25:49,703 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 587 610) no Hoare annotation was computed. [2020-07-20 16:25:49,703 INFO L268 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 587 610) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 587 610) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L601(line 601) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-07-20 16:25:49,704 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 16:25:49,705 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-20 16:25:49,705 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-20 16:25:49,705 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 16:25:49,705 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2020-07-20 16:25:49,705 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2020-07-20 16:25:49,705 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2020-07-20 16:25:49,705 INFO L271 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: true [2020-07-20 16:25:49,705 INFO L268 CegarLoopResult]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2020-07-20 16:25:49,705 INFO L268 CegarLoopResult]: For program point L896-1(line 896) no Hoare annotation was computed. [2020-07-20 16:25:49,705 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point L853(lines 853 861) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point L853-2(lines 853 861) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 834 869) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 834 869) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 834 869) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2020-07-20 16:25:49,706 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:25:49,707 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:25:49,708 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,708 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2020-07-20 16:25:49,708 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2020-07-20 16:25:49,708 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2020-07-20 16:25:49,708 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2020-07-20 16:25:49,708 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2020-07-20 16:25:49,708 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-07-20 16:25:49,708 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-20 16:25:49,708 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 16:25:49,709 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2020-07-20 16:25:49,709 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2020-07-20 16:25:49,709 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-07-20 16:25:49,709 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2020-07-20 16:25:49,709 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2020-07-20 16:25:49,709 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2020-07-20 16:25:49,709 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:49,709 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6))))) [2020-07-20 16:25:49,710 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-20 16:25:49,710 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 16:25:49,710 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-20 16:25:49,710 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-20 16:25:49,710 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2020-07-20 16:25:49,710 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 16:25:49,710 INFO L264 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-20 16:25:49,710 INFO L268 CegarLoopResult]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2020-07-20 16:25:49,711 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2020-07-20 16:25:49,711 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2020-07-20 16:25:49,711 INFO L268 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-07-20 16:25:49,711 INFO L264 CegarLoopResult]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,711 INFO L268 CegarLoopResult]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2020-07-20 16:25:49,711 INFO L264 CegarLoopResult]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:49,711 INFO L268 CegarLoopResult]: For program point L965(lines 965 969) no Hoare annotation was computed. [2020-07-20 16:25:49,712 INFO L264 CegarLoopResult]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,712 INFO L268 CegarLoopResult]: For program point L928(lines 927 974) no Hoare annotation was computed. [2020-07-20 16:25:49,712 INFO L264 CegarLoopResult]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,712 INFO L268 CegarLoopResult]: For program point L957(lines 957 970) no Hoare annotation was computed. [2020-07-20 16:25:49,712 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,712 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-07-20 16:25:49,712 INFO L268 CegarLoopResult]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2020-07-20 16:25:49,713 INFO L264 CegarLoopResult]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,713 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,713 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-20 16:25:49,713 INFO L268 CegarLoopResult]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2020-07-20 16:25:49,713 INFO L268 CegarLoopResult]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2020-07-20 16:25:49,713 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:25:49,713 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:25:49,713 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:25:49,713 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 16:25:49,713 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2020-07-20 16:25:49,714 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 16:25:49,715 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:25:49,716 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:25:49,716 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 16:25:49,716 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 16:25:49,716 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2020-07-20 16:25:49,716 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 657 666) no Hoare annotation was computed. [2020-07-20 16:25:49,716 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2020-07-20 16:25:49,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,716 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:25:49,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,717 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:49,717 INFO L268 CegarLoopResult]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2020-07-20 16:25:49,717 INFO L268 CegarLoopResult]: For program point L796(lines 796 802) no Hoare annotation was computed. [2020-07-20 16:25:49,717 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2020-07-20 16:25:49,717 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:49,717 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-07-20 16:25:49,717 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:49,717 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2020-07-20 16:25:49,718 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2020-07-20 16:25:49,718 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2020-07-20 16:25:49,718 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2020-07-20 16:25:49,718 INFO L268 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2020-07-20 16:25:49,718 INFO L271 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: true [2020-07-20 16:25:49,718 INFO L268 CegarLoopResult]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2020-07-20 16:25:49,718 INFO L268 CegarLoopResult]: For program point L877-1(line 877) no Hoare annotation was computed. [2020-07-20 16:25:49,718 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2020-07-20 16:25:49,718 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2020-07-20 16:25:49,718 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,719 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,719 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,719 INFO L268 CegarLoopResult]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2020-07-20 16:25:49,719 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: true [2020-07-20 16:25:49,719 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2020-07-20 16:25:49,719 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2020-07-20 16:25:49,719 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2020-07-20 16:25:49,719 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2020-07-20 16:25:49,720 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 16:25:49,720 INFO L268 CegarLoopResult]: For program point L701(lines 700 719) no Hoare annotation was computed. [2020-07-20 16:25:49,720 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2)) (or .cse0 (and .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 16:25:49,720 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2020-07-20 16:25:49,720 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2020-07-20 16:25:49,720 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 16:25:49,720 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (and .cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 (and (<= 2 ~waterLevel~0) .cse2 .cse4) (and .cse3 (<= ~waterLevel~0 1) .cse4) (not .cse0) (not (<= 1 |old(~waterLevel~0)|)))))) [2020-07-20 16:25:49,721 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 16:25:49,721 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2020-07-20 16:25:49,721 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2020-07-20 16:25:49,721 INFO L268 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-07-20 16:25:49,721 INFO L271 CegarLoopResult]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2020-07-20 16:25:49,721 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-20 16:25:49,721 INFO L271 CegarLoopResult]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2020-07-20 16:25:49,721 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-07-20 16:25:49,721 INFO L268 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-07-20 16:25:49,722 INFO L271 CegarLoopResult]: At program point L581(lines 556 585) the Hoare annotation is: true [2020-07-20 16:25:49,722 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 16:25:49,722 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2020-07-20 16:25:49,722 INFO L268 CegarLoopResult]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2020-07-20 16:25:49,722 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2020-07-20 16:25:49,722 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2020-07-20 16:25:49,722 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,722 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:25:49,722 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:49,723 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,723 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2020-07-20 16:25:49,723 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 16:25:49,723 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2020-07-20 16:25:49,723 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-20 16:25:49,723 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:49,723 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:49,723 INFO L268 CegarLoopResult]: For program point L735-1(line 735) no Hoare annotation was computed. [2020-07-20 16:25:49,724 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-20 16:25:49,724 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2020-07-20 16:25:49,724 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:49,724 INFO L268 CegarLoopResult]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2020-07-20 16:25:49,724 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) [2020-07-20 16:25:49,724 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:49,724 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2020-07-20 16:25:49,724 INFO L268 CegarLoopResult]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2020-07-20 16:25:49,725 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 16:25:49,725 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2020-07-20 16:25:49,725 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-20 16:25:49,725 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2020-07-20 16:25:49,725 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2020-07-20 16:25:49,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:25:49 BoogieIcfgContainer [2020-07-20 16:25:49,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:25:49,744 INFO L168 Benchmark]: Toolchain (without parser) took 21908.72 ms. Allocated memory was 138.4 MB in the beginning and 429.4 MB in the end (delta: 291.0 MB). Free memory was 100.6 MB in the beginning and 169.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 304.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,745 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.95 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 169.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,746 INFO L168 Benchmark]: Boogie Preprocessor took 145.83 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 165.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,747 INFO L168 Benchmark]: RCFGBuilder took 1087.70 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 192.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,748 INFO L168 Benchmark]: TraceAbstraction took 19949.97 ms. Allocated memory was 236.5 MB in the beginning and 429.4 MB in the end (delta: 192.9 MB). Free memory was 192.8 MB in the beginning and 169.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 299.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,751 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 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.95 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 169.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.83 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 165.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1087.70 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 192.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19949.97 ms. Allocated memory was 236.5 MB in the beginning and 429.4 MB in the end (delta: 192.9 MB). Free memory was 192.8 MB in the beginning and 169.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 299.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 926]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1969 SDtfs, 1576 SDslu, 3429 SDs, 0 SdLazy, 3884 SolverSat, 890 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1595 GetRequests, 1511 SyntacticMatches, 7 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1016occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 518 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1598 PreInvPairs, 1653 NumberOfFragments, 1082 HoareAnnotationTreeSize, 1598 FomulaSimplifications, 4855 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 66 FomulaSimplificationsInter, 7310 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1213 NumberOfCodeBlocks, 914 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1552 ConstructedInterpolants, 0 QuantifiedInterpolants, 402342 SizeOfPredicates, 40 NumberOfNonLiveVariables, 7955 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 348/400 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...