/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:06:55,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:06:55,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:06:55,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:06:55,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:06:55,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:06:55,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:06:55,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:06:55,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:06:55,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:06:55,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:06:55,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:06:55,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:06:55,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:06:55,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:06:55,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:06:55,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:06:55,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:06:55,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:06:55,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:06:55,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:06:55,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:06:55,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:06:55,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:06:55,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:06:55,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:06:55,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:06:55,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:06:55,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:06:55,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:06:55,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:06:55,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:06:55,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:06:55,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:06:55,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:06:55,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:06:55,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:06:55,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:06:55,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:06:55,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:06:55,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:06:55,701 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 01:06:55,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:06:55,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:06:55,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:06:55,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:06:55,722 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:06:55,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:06:55,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:06:55,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:06:55,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:06:55,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:06:55,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:06:55,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:06:55,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:06:55,725 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:06:55,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:06:55,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:06:55,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:06:55,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:06:55,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:06:55,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:06:55,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:06:55,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:06:55,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:06:55,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:06:55,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:06:55,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:06:55,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:06:55,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:06:55,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:06:55,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:06:56,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:06:56,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:06:56,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:06:56,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:06:56,022 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:06:56,023 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-20 01:06:56,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e390f3745/747df55da5914d6e871843edb45e1939/FLAGd0aef8108 [2020-07-20 01:06:56,631 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:06:56,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-20 01:06:56,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e390f3745/747df55da5914d6e871843edb45e1939/FLAGd0aef8108 [2020-07-20 01:06:56,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e390f3745/747df55da5914d6e871843edb45e1939 [2020-07-20 01:06:56,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:06:56,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:06:56,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:06:56,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:06:56,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:06:56,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:56" (1/1) ... [2020-07-20 01:06:56,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b7062e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:56, skipping insertion in model container [2020-07-20 01:06:56,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:56" (1/1) ... [2020-07-20 01:06:56,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:06:57,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:06:57,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:06:57,386 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:06:57,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:06:57,637 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:06:57,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57 WrapperNode [2020-07-20 01:06:57,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:06:57,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:06:57,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:06:57,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:06:57,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (1/1) ... [2020-07-20 01:06:57,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (1/1) ... [2020-07-20 01:06:57,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (1/1) ... [2020-07-20 01:06:57,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (1/1) ... [2020-07-20 01:06:57,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (1/1) ... [2020-07-20 01:06:57,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (1/1) ... [2020-07-20 01:06:57,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (1/1) ... [2020-07-20 01:06:57,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:06:57,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:06:57,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:06:57,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:06:57,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (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 01:06:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:06:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:06:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:06:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:06:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:06:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:06:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:06:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:06:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:06:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:06:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:06:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:06:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:06:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 01:06:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:06:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:06:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:06:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:06:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:06:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:06:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:06:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:06:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:06:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 01:06:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:06:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:06:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:06:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:06:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:06:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:06:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:06:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 01:06:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:06:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:06:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:06:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:06:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:06:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:06:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:06:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:06:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:06:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:06:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:06:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:06:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:06:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:06:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:06:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:06:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:06:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:06:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:06:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:06:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:06:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:06:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:06:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:06:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:06:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:06:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:06:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 01:06:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:06:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:06:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:06:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:06:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:06:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:06:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:06:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:06:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:06:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:06:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:06:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:06:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:06:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:06:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:06:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:06:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:06:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:06:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:06:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 01:06:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 01:06:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:06:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:06:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:06:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:06:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:06:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:06:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:06:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:06:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:06:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:06:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:06:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:06:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:06:58,947 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:06:58,947 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:06:58,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:58 BoogieIcfgContainer [2020-07-20 01:06:58,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:06:58,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:06:58,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:06:58,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:06:58,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:06:56" (1/3) ... [2020-07-20 01:06:58,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f514009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:58, skipping insertion in model container [2020-07-20 01:06:58,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:57" (2/3) ... [2020-07-20 01:06:58,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f514009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:58, skipping insertion in model container [2020-07-20 01:06:58,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:58" (3/3) ... [2020-07-20 01:06:58,961 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-07-20 01:06:58,972 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:06:58,981 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:06:58,995 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:06:59,020 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:06:59,021 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:06:59,021 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:06:59,021 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:06:59,022 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:06:59,022 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:06:59,022 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:06:59,022 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:06:59,045 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-07-20 01:06:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:06:59,056 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:59,057 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:59,058 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:59,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:59,064 INFO L82 PathProgramCache]: Analyzing trace with hash -404445524, now seen corresponding path program 1 times [2020-07-20 01:06:59,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:59,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434712620] [2020-07-20 01:06:59,074 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:06:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,786 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:06:59,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434712620] [2020-07-20 01:06:59,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:06:59,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:06:59,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422254929] [2020-07-20 01:06:59,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:06:59,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:59,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:06:59,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:06:59,960 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 4 states. [2020-07-20 01:07:01,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:01,300 INFO L93 Difference]: Finished difference Result 351 states and 448 transitions. [2020-07-20 01:07:01,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:07:01,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:07:01,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:01,318 INFO L225 Difference]: With dead ends: 351 [2020-07-20 01:07:01,318 INFO L226 Difference]: Without dead ends: 192 [2020-07-20 01:07:01,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:07:01,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-20 01:07:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 160. [2020-07-20 01:07:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-20 01:07:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2020-07-20 01:07:01,418 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59 [2020-07-20 01:07:01,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:01,418 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2020-07-20 01:07:01,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:07:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2020-07-20 01:07:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 01:07:01,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:01,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:01,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:07:01,424 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:01,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:01,424 INFO L82 PathProgramCache]: Analyzing trace with hash -315023676, now seen corresponding path program 1 times [2020-07-20 01:07:01,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:01,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62581933] [2020-07-20 01:07:01,425 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,773 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:01,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62581933] [2020-07-20 01:07:01,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:01,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:07:01,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058979916] [2020-07-20 01:07:01,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:07:01,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:01,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:07:01,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:07:01,836 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 5 states. [2020-07-20 01:07:02,346 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:03,452 INFO L93 Difference]: Finished difference Result 292 states and 356 transitions. [2020-07-20 01:07:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:07:03,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-20 01:07:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:03,456 INFO L225 Difference]: With dead ends: 292 [2020-07-20 01:07:03,456 INFO L226 Difference]: Without dead ends: 182 [2020-07-20 01:07:03,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:07:03,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-20 01:07:03,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 151. [2020-07-20 01:07:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-20 01:07:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2020-07-20 01:07:03,501 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60 [2020-07-20 01:07:03,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:03,502 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2020-07-20 01:07:03,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:07:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2020-07-20 01:07:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 01:07:03,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:03,504 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:03,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:07:03,505 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:03,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:03,505 INFO L82 PathProgramCache]: Analyzing trace with hash 649722396, now seen corresponding path program 1 times [2020-07-20 01:07:03,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:03,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384756902] [2020-07-20 01:07:03,506 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,836 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:03,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384756902] [2020-07-20 01:07:03,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:03,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:07:03,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065923875] [2020-07-20 01:07:03,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:07:03,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:03,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:07:03,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:07:03,950 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 9 states. [2020-07-20 01:07:04,457 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:04,765 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:05,020 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:05,272 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:06,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:06,760 INFO L93 Difference]: Finished difference Result 305 states and 375 transitions. [2020-07-20 01:07:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:07:06,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-20 01:07:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:06,766 INFO L225 Difference]: With dead ends: 305 [2020-07-20 01:07:06,766 INFO L226 Difference]: Without dead ends: 182 [2020-07-20 01:07:06,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:07:06,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-20 01:07:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 151. [2020-07-20 01:07:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-20 01:07:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2020-07-20 01:07:06,808 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65 [2020-07-20 01:07:06,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:06,808 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2020-07-20 01:07:06,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:07:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2020-07-20 01:07:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 01:07:06,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:06,811 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:06,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:07:06,811 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:06,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:06,812 INFO L82 PathProgramCache]: Analyzing trace with hash 2071838844, now seen corresponding path program 1 times [2020-07-20 01:07:06,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:06,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864936511] [2020-07-20 01:07:06,812 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,134 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:07,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864936511] [2020-07-20 01:07:07,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:07,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:07:07,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260586705] [2020-07-20 01:07:07,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:07:07,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:07,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:07:07,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:07:07,241 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 7 states. [2020-07-20 01:07:07,608 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:09,045 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:09,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:09,645 INFO L93 Difference]: Finished difference Result 415 states and 516 transitions. [2020-07-20 01:07:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:07:09,646 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2020-07-20 01:07:09,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:09,649 INFO L225 Difference]: With dead ends: 415 [2020-07-20 01:07:09,649 INFO L226 Difference]: Without dead ends: 292 [2020-07-20 01:07:09,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:07:09,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-07-20 01:07:09,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 246. [2020-07-20 01:07:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-07-20 01:07:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 280 transitions. [2020-07-20 01:07:09,704 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 280 transitions. Word has length 83 [2020-07-20 01:07:09,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:09,705 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 280 transitions. [2020-07-20 01:07:09,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:07:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 280 transitions. [2020-07-20 01:07:09,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 01:07:09,707 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:09,707 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:09,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:07:09,708 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:09,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:09,708 INFO L82 PathProgramCache]: Analyzing trace with hash 477615551, now seen corresponding path program 1 times [2020-07-20 01:07:09,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:09,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153155510] [2020-07-20 01:07:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,022 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:07:10,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153155510] [2020-07-20 01:07:10,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:10,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:07:10,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861115290] [2020-07-20 01:07:10,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:07:10,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:10,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:07:10,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:07:10,222 INFO L87 Difference]: Start difference. First operand 246 states and 280 transitions. Second operand 9 states. [2020-07-20 01:07:10,685 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:11,326 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:12,012 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:12,343 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:12,755 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:12,984 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:13,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:13,619 INFO L93 Difference]: Finished difference Result 509 states and 612 transitions. [2020-07-20 01:07:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:07:13,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-07-20 01:07:13,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:13,624 INFO L225 Difference]: With dead ends: 509 [2020-07-20 01:07:13,624 INFO L226 Difference]: Without dead ends: 291 [2020-07-20 01:07:13,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:07:13,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-07-20 01:07:13,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 245. [2020-07-20 01:07:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-07-20 01:07:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 277 transitions. [2020-07-20 01:07:13,699 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 277 transitions. Word has length 97 [2020-07-20 01:07:13,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:13,699 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 277 transitions. [2020-07-20 01:07:13,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:07:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 277 transitions. [2020-07-20 01:07:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 01:07:13,701 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:13,701 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:13,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:07:13,702 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:13,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:13,702 INFO L82 PathProgramCache]: Analyzing trace with hash 115684108, now seen corresponding path program 1 times [2020-07-20 01:07:13,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:13,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252249159] [2020-07-20 01:07:13,703 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:13,957 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:14,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252249159] [2020-07-20 01:07:14,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:14,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:07:14,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357388804] [2020-07-20 01:07:14,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:07:14,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:14,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:07:14,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:07:14,201 INFO L87 Difference]: Start difference. First operand 245 states and 277 transitions. Second operand 9 states. [2020-07-20 01:07:15,314 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:15,552 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:15,819 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:16,049 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:16,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:16,904 INFO L93 Difference]: Finished difference Result 507 states and 607 transitions. [2020-07-20 01:07:16,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:07:16,909 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-20 01:07:16,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:16,912 INFO L225 Difference]: With dead ends: 507 [2020-07-20 01:07:16,913 INFO L226 Difference]: Without dead ends: 290 [2020-07-20 01:07:16,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:07:16,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-07-20 01:07:16,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 250. [2020-07-20 01:07:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-07-20 01:07:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 282 transitions. [2020-07-20 01:07:16,968 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 282 transitions. Word has length 98 [2020-07-20 01:07:16,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:16,969 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 282 transitions. [2020-07-20 01:07:16,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:07:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 282 transitions. [2020-07-20 01:07:16,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 01:07:16,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:16,970 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:16,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:07:16,971 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:16,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:16,971 INFO L82 PathProgramCache]: Analyzing trace with hash 43297550, now seen corresponding path program 1 times [2020-07-20 01:07:16,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:16,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164032113] [2020-07-20 01:07:16,972 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,328 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:17,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164032113] [2020-07-20 01:07:17,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:17,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:07:17,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609054989] [2020-07-20 01:07:17,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:07:17,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:17,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:07:17,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:07:17,539 INFO L87 Difference]: Start difference. First operand 250 states and 282 transitions. Second operand 11 states. [2020-07-20 01:07:18,243 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:18,479 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:18,700 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:19,428 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:19,716 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:19,968 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:20,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:20,975 INFO L93 Difference]: Finished difference Result 519 states and 628 transitions. [2020-07-20 01:07:20,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:07:20,976 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-07-20 01:07:20,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:20,978 INFO L225 Difference]: With dead ends: 519 [2020-07-20 01:07:20,978 INFO L226 Difference]: Without dead ends: 297 [2020-07-20 01:07:20,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:07:20,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-20 01:07:21,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 254. [2020-07-20 01:07:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-07-20 01:07:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 286 transitions. [2020-07-20 01:07:21,017 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 286 transitions. Word has length 98 [2020-07-20 01:07:21,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:21,018 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 286 transitions. [2020-07-20 01:07:21,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:07:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 286 transitions. [2020-07-20 01:07:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 01:07:21,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:21,019 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:21,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:07:21,020 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:21,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:21,020 INFO L82 PathProgramCache]: Analyzing trace with hash 373063311, now seen corresponding path program 1 times [2020-07-20 01:07:21,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:21,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823978737] [2020-07-20 01:07:21,021 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,294 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:21,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823978737] [2020-07-20 01:07:21,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:21,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:07:21,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783672091] [2020-07-20 01:07:21,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:07:21,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:21,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:07:21,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:07:21,487 INFO L87 Difference]: Start difference. First operand 254 states and 286 transitions. Second operand 7 states. [2020-07-20 01:07:21,888 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:22,394 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:24,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:24,374 INFO L93 Difference]: Finished difference Result 711 states and 879 transitions. [2020-07-20 01:07:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:07:24,375 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-07-20 01:07:24,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:24,380 INFO L225 Difference]: With dead ends: 711 [2020-07-20 01:07:24,380 INFO L226 Difference]: Without dead ends: 485 [2020-07-20 01:07:24,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:07:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-07-20 01:07:24,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 443. [2020-07-20 01:07:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-20 01:07:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 514 transitions. [2020-07-20 01:07:24,458 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 514 transitions. Word has length 98 [2020-07-20 01:07:24,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:24,459 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 514 transitions. [2020-07-20 01:07:24,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:07:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 514 transitions. [2020-07-20 01:07:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 01:07:24,461 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:24,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:24,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:07:24,461 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:24,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:24,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1661296137, now seen corresponding path program 1 times [2020-07-20 01:07:24,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:24,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278811] [2020-07-20 01:07:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:24,925 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:07:25,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278811] [2020-07-20 01:07:25,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:07:25,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:07:25,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314457736] [2020-07-20 01:07:25,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:07:25,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:25,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:07:25,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:07:25,182 INFO L87 Difference]: Start difference. First operand 443 states and 514 transitions. Second operand 12 states. [2020-07-20 01:07:25,833 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:26,470 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:27,577 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:27,870 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:28,130 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:28,386 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:28,652 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:30,045 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:30,322 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:31,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:31,264 INFO L93 Difference]: Finished difference Result 1230 states and 1515 transitions. [2020-07-20 01:07:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:07:31,265 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 102 [2020-07-20 01:07:31,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:31,271 INFO L225 Difference]: With dead ends: 1230 [2020-07-20 01:07:31,271 INFO L226 Difference]: Without dead ends: 894 [2020-07-20 01:07:31,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:07:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-07-20 01:07:31,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 769. [2020-07-20 01:07:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2020-07-20 01:07:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 883 transitions. [2020-07-20 01:07:31,396 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 883 transitions. Word has length 102 [2020-07-20 01:07:31,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:31,396 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 883 transitions. [2020-07-20 01:07:31,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:07:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 883 transitions. [2020-07-20 01:07:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-20 01:07:31,399 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:31,400 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:07:31,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 01:07:31,400 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:31,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:31,401 INFO L82 PathProgramCache]: Analyzing trace with hash -577396182, now seen corresponding path program 1 times [2020-07-20 01:07:31,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:31,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547031580] [2020-07-20 01:07:31,401 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,732 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 01:07:32,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547031580] [2020-07-20 01:07:32,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423681676] [2020-07-20 01:07:32,049 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bddcf11 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:32,508 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bddcf11 issued 4 check-sat command(s) [2020-07-20 01:07:32,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:32,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:07:32,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:07:32,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:32,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:07:32,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522402934] [2020-07-20 01:07:32,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:07:32,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:32,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:07:32,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:07:32,709 INFO L87 Difference]: Start difference. First operand 769 states and 883 transitions. Second operand 20 states. [2020-07-20 01:07:33,256 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:33,603 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:07:33,867 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:07:34,123 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:07:34,753 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:35,012 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:07:35,372 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:07:36,074 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:36,419 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:07:37,416 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:07:37,702 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:37,996 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:07:38,549 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:38,950 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:07:39,635 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:07:40,117 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:07:40,585 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:41,080 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:41,923 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:07:42,233 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:07:42,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:42,468 INFO L93 Difference]: Finished difference Result 1698 states and 2010 transitions. [2020-07-20 01:07:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-20 01:07:42,469 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 180 [2020-07-20 01:07:42,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:42,476 INFO L225 Difference]: With dead ends: 1698 [2020-07-20 01:07:42,476 INFO L226 Difference]: Without dead ends: 1032 [2020-07-20 01:07:42,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-20 01:07:42,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-07-20 01:07:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 919. [2020-07-20 01:07:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-07-20 01:07:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1062 transitions. [2020-07-20 01:07:42,662 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1062 transitions. Word has length 180 [2020-07-20 01:07:42,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:42,663 INFO L479 AbstractCegarLoop]: Abstraction has 919 states and 1062 transitions. [2020-07-20 01:07:42,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:07:42,663 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1062 transitions. [2020-07-20 01:07:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-07-20 01:07:42,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:07:42,670 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:42,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:07:42,886 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:07:42,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:07:42,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1944484943, now seen corresponding path program 1 times [2020-07-20 01:07:42,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:07:42,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705442184] [2020-07-20 01:07:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c24bb99 [2020-07-20 01:07:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,244 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:07:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:07:43,834 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 83 proven. 29 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-07-20 01:07:43,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705442184] [2020-07-20 01:07:43,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931837542] [2020-07-20 01:07:43,835 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21524725 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:44,358 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@21524725 issued 3 check-sat command(s) [2020-07-20 01:07:44,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:07:44,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:07:44,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:07:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 212 proven. 8 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-07-20 01:07:44,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:07:44,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2020-07-20 01:07:44,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661618460] [2020-07-20 01:07:44,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 01:07:44,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:07:44,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 01:07:44,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2020-07-20 01:07:44,654 INFO L87 Difference]: Start difference. First operand 919 states and 1062 transitions. Second operand 25 states. [2020-07-20 01:07:45,253 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:46,516 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:07:47,353 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:47,888 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-20 01:07:48,376 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-20 01:07:48,639 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:48,932 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:49,214 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:07:51,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:07:51,557 INFO L93 Difference]: Finished difference Result 2086 states and 2524 transitions. [2020-07-20 01:07:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:07:51,558 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 301 [2020-07-20 01:07:51,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:07:51,559 INFO L225 Difference]: With dead ends: 2086 [2020-07-20 01:07:51,559 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:07:51,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 400 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=446, Invalid=1906, Unknown=0, NotChecked=0, Total=2352 [2020-07-20 01:07:51,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:07:51,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:07:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:07:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:07:51,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 301 [2020-07-20 01:07:51,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:07:51,567 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:07:51,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 01:07:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:07:51,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:07:51,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:07:51,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:07:54,282 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2020-07-20 01:07:57,061 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2020-07-20 01:07:58,466 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 232 [2020-07-20 01:07:58,799 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 236 [2020-07-20 01:07:59,797 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 249 [2020-07-20 01:08:00,517 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2020-07-20 01:08:00,836 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-20 01:08:01,392 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-07-20 01:08:01,568 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-07-20 01:08:01,880 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 24 [2020-07-20 01:08:02,053 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-20 01:08:02,237 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-20 01:08:02,984 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2020-07-20 01:08:03,553 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2020-07-20 01:08:03,758 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:08:03,952 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:08:04,724 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 30 [2020-07-20 01:08:04,914 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-20 01:08:05,368 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-20 01:08:06,295 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 26 [2020-07-20 01:08:06,863 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2020-07-20 01:08:07,080 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:07,683 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2020-07-20 01:08:08,813 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 223 DAG size of output: 35 [2020-07-20 01:08:08,980 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-20 01:08:09,360 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 1 [2020-07-20 01:08:10,285 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 27 [2020-07-20 01:08:11,020 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 30 [2020-07-20 01:08:11,216 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-20 01:08:11,958 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 27 [2020-07-20 01:08:12,148 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:08:13,061 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 25 [2020-07-20 01:08:13,596 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2020-07-20 01:08:13,774 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-20 01:08:14,488 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2020-07-20 01:08:15,009 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 17 [2020-07-20 01:08:15,327 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-20 01:08:15,768 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-20 01:08:15,958 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-20 01:08:16,182 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:08:16,552 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2020-07-20 01:08:16,999 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-20 01:08:17,238 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-07-20 01:08:17,410 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-20 01:08:17,824 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 29 [2020-07-20 01:08:17,991 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-20 01:08:18,418 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2020-07-20 01:08:18,584 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 15 [2020-07-20 01:08:19,285 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-07-20 01:08:19,604 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-20 01:08:19,787 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:08:19,979 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-20 01:08:20,174 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-20 01:08:20,611 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-20 01:08:20,801 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-20 01:08:21,170 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-20 01:08:21,603 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-20 01:08:21,783 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-20 01:08:22,241 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-20 01:08:22,923 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 30 [2020-07-20 01:08:23,385 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-20 01:08:23,390 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-20 01:08:23,390 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 740) no Hoare annotation was computed. [2020-07-20 01:08:23,391 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-07-20 01:08:23,391 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 751) no Hoare annotation was computed. [2020-07-20 01:08:23,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 705 760) no Hoare annotation was computed. [2020-07-20 01:08:23,391 INFO L268 CegarLoopResult]: For program point L752(lines 729 753) no Hoare annotation was computed. [2020-07-20 01:08:23,393 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 705 760) no Hoare annotation was computed. [2020-07-20 01:08:23,393 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 705 760) no Hoare annotation was computed. [2020-07-20 01:08:23,393 INFO L268 CegarLoopResult]: For program point L793(lines 793 797) no Hoare annotation was computed. [2020-07-20 01:08:23,395 INFO L268 CegarLoopResult]: For program point L793-1(lines 793 797) no Hoare annotation was computed. [2020-07-20 01:08:23,395 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 761 820) no Hoare annotation was computed. [2020-07-20 01:08:23,395 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-20 01:08:23,396 INFO L268 CegarLoopResult]: For program point L787-2(lines 787 812) no Hoare annotation was computed. [2020-07-20 01:08:23,396 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 761 820) no Hoare annotation was computed. [2020-07-20 01:08:23,396 INFO L268 CegarLoopResult]: For program point L813(lines 786 814) no Hoare annotation was computed. [2020-07-20 01:08:23,396 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 761 820) no Hoare annotation was computed. [2020-07-20 01:08:23,396 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 01:08:23,396 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-20 01:08:23,397 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2020-07-20 01:08:23,397 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2020-07-20 01:08:23,397 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2020-07-20 01:08:23,397 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2020-07-20 01:08:23,398 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2020-07-20 01:08:23,398 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:23,398 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 01:08:23,398 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 01:08:23,399 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-20 01:08:23,399 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-20 01:08:23,399 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 01:08:23,399 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-20 01:08:23,399 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-20 01:08:23,400 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-20 01:08:23,400 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-20 01:08:23,400 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 01:08:23,400 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-20 01:08:23,400 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (and (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0) (<= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse2 .cse3))) [2020-07-20 01:08:23,400 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-20 01:08:23,400 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-20 01:08:23,400 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-20 01:08:23,401 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-20 01:08:23,401 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-20 01:08:23,401 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 290 312) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,401 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2020-07-20 01:08:23,401 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,401 INFO L264 CegarLoopResult]: At program point L302-1(line 302) the Hoare annotation is: (or (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,401 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2020-07-20 01:08:23,402 INFO L268 CegarLoopResult]: For program point L300(lines 300 307) no Hoare annotation was computed. [2020-07-20 01:08:23,402 INFO L268 CegarLoopResult]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2020-07-20 01:08:23,402 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-07-20 01:08:23,402 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,402 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,402 INFO L264 CegarLoopResult]: At program point L296-1(line 296) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,402 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-20 01:08:23,402 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-07-20 01:08:23,402 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 244 267) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 244 267) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 244 267) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-20 01:08:23,403 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2020-07-20 01:08:23,404 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-20 01:08:23,404 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-20 01:08:23,405 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-07-20 01:08:23,405 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 468 503) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point L487(lines 487 495) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 468 503) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point L487-2(lines 487 495) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 468 503) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 659 704) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 659 704) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 659 704) no Hoare annotation was computed. [2020-07-20 01:08:23,406 INFO L268 CegarLoopResult]: For program point L992(lines 992 999) no Hoare annotation was computed. [2020-07-20 01:08:23,407 INFO L268 CegarLoopResult]: For program point L986(lines 986 1006) no Hoare annotation was computed. [2020-07-20 01:08:23,407 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 972 1017) no Hoare annotation was computed. [2020-07-20 01:08:23,407 INFO L268 CegarLoopResult]: For program point L986-1(lines 986 1006) no Hoare annotation was computed. [2020-07-20 01:08:23,407 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 972 1017) no Hoare annotation was computed. [2020-07-20 01:08:23,407 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 972 1017) no Hoare annotation was computed. [2020-07-20 01:08:23,407 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,407 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2020-07-20 01:08:23,408 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,408 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2020-07-20 01:08:23,408 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2020-07-20 01:08:23,408 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2020-07-20 01:08:23,408 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2020-07-20 01:08:23,408 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-07-20 01:08:23,408 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-20 01:08:23,408 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:23,408 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2020-07-20 01:08:23,409 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2020-07-20 01:08:23,409 INFO L268 CegarLoopResult]: For program point L182(lines 182 188) no Hoare annotation was computed. [2020-07-20 01:08:23,409 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2020-07-20 01:08:23,409 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2020-07-20 01:08:23,409 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2020-07-20 01:08:23,409 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:23,409 INFO L268 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2020-07-20 01:08:23,409 INFO L264 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:23,409 INFO L268 CegarLoopResult]: For program point L413-1(line 413) no Hoare annotation was computed. [2020-07-20 01:08:23,410 INFO L268 CegarLoopResult]: For program point L411(lines 411 428) no Hoare annotation was computed. [2020-07-20 01:08:23,410 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2020-07-20 01:08:23,410 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 01:08:23,410 INFO L264 CegarLoopResult]: At program point L426(line 426) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 01:08:23,410 INFO L268 CegarLoopResult]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2020-07-20 01:08:23,410 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:23,410 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2020-07-20 01:08:23,410 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2020-07-20 01:08:23,411 INFO L264 CegarLoopResult]: At program point L609(lines 560 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,411 INFO L264 CegarLoopResult]: At program point testENTRY(lines 551 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:08:23,411 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-20 01:08:23,411 INFO L268 CegarLoopResult]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2020-07-20 01:08:23,411 INFO L264 CegarLoopResult]: At program point L599-2(lines 591 604) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-20 01:08:23,411 INFO L268 CegarLoopResult]: For program point L562(lines 561 608) no Hoare annotation was computed. [2020-07-20 01:08:23,411 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-20 01:08:23,412 INFO L268 CegarLoopResult]: For program point L591(lines 591 604) no Hoare annotation was computed. [2020-07-20 01:08:23,412 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-20 01:08:23,412 INFO L268 CegarLoopResult]: For program point L581(lines 581 587) no Hoare annotation was computed. [2020-07-20 01:08:23,412 INFO L268 CegarLoopResult]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2020-07-20 01:08:23,412 INFO L264 CegarLoopResult]: At program point L606(lines 561 608) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-20 01:08:23,412 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-20 01:08:23,412 INFO L268 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-07-20 01:08:23,412 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 926 971) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 926 971) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point L946(lines 946 953) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 926 971) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point L940(lines 940 960) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2020-07-20 01:08:23,413 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-20 01:08:23,414 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2020-07-20 01:08:23,414 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-20 01:08:23,414 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-07-20 01:08:23,414 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 146 168) no Hoare annotation was computed. [2020-07-20 01:08:23,414 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-07-20 01:08:23,414 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 146 168) no Hoare annotation was computed. [2020-07-20 01:08:23,414 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 146 168) no Hoare annotation was computed. [2020-07-20 01:08:23,414 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 619 628) no Hoare annotation was computed. [2020-07-20 01:08:23,414 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 619 628) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 619 628) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 823 925) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point L911(lines 911 922) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 892) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 823 925) no Hoare annotation was computed. [2020-07-20 01:08:23,415 INFO L268 CegarLoopResult]: For program point L893(lines 871 894) no Hoare annotation was computed. [2020-07-20 01:08:23,416 INFO L268 CegarLoopResult]: For program point L852(lines 852 868) no Hoare annotation was computed. [2020-07-20 01:08:23,416 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 823 925) no Hoare annotation was computed. [2020-07-20 01:08:23,416 INFO L268 CegarLoopResult]: For program point L912(lines 912 919) no Hoare annotation was computed. [2020-07-20 01:08:23,416 INFO L268 CegarLoopResult]: For program point L873(lines 872 892) no Hoare annotation was computed. [2020-07-20 01:08:23,416 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-20 01:08:23,416 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-20 01:08:23,416 INFO L268 CegarLoopResult]: For program point L869(lines 869 910) no Hoare annotation was computed. [2020-07-20 01:08:23,416 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:23,417 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:08:23,417 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:23,417 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-20 01:08:23,417 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-20 01:08:23,417 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 432 439) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:23,417 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 01:08:23,417 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 01:08:23,417 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 01:08:23,418 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-07-20 01:08:23,418 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2020-07-20 01:08:23,418 INFO L271 CegarLoopResult]: At program point L511(line 511) the Hoare annotation is: true [2020-07-20 01:08:23,418 INFO L268 CegarLoopResult]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-07-20 01:08:23,418 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-07-20 01:08:23,418 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2020-07-20 01:08:23,418 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2020-07-20 01:08:23,418 INFO L268 CegarLoopResult]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2020-07-20 01:08:23,419 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-20 01:08:23,419 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2020-07-20 01:08:23,419 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:23,419 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:08:23,419 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:23,419 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2020-07-20 01:08:23,419 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2020-07-20 01:08:23,419 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2020-07-20 01:08:23,420 INFO L264 CegarLoopResult]: At program point L336(line 336) the Hoare annotation is: (let ((.cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse1 .cse2 (<= ~waterLevel~0 2) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) (and .cse1 .cse2 (= 1 ~waterLevel~0)) .cse3) (or (and (= 0 ~pumpRunning~0) .cse4) (not (= 0 |old(~pumpRunning~0)|)) .cse5 .cse3) (or .cse6 .cse0 .cse5 (and .cse1 .cse2 .cse4) .cse7 .cse3) (or .cse6 .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse7 .cse3)))) [2020-07-20 01:08:23,420 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 (and .cse5 .cse0 .cse1) .cse2 .cse3) (or (and .cse5 (= 2 ~waterLevel~0) .cse0) .cse4 (not (= 2 |old(~waterLevel~0)|)) .cse3))) [2020-07-20 01:08:23,420 INFO L264 CegarLoopResult]: At program point L334(lines 334 340) the Hoare annotation is: (let ((.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= 1 ~pumpRunning~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse13 .cse10 .cse11 .cse14)) (.cse4 (and .cse7 .cse8 .cse13 .cse14 .cse12)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (or .cse0 .cse1 .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse3 .cse6 (and .cse7 .cse8 .cse9) .cse4 (and .cse10 .cse11 .cse9) .cse2) (or (and .cse10 .cse9) (and (= 2 ~waterLevel~0) .cse9 .cse12) (not (= 0 |old(~pumpRunning~0)|)) .cse6 .cse2) (or .cse5 .cse0 .cse3 (not (= 1 |old(~waterLevel~0)|)) .cse4 .cse2)))) [2020-07-20 01:08:23,420 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2020-07-20 01:08:23,420 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse3 .cse1 .cse2))) [2020-07-20 01:08:23,420 INFO L268 CegarLoopResult]: For program point L327(lines 323 345) no Hoare annotation was computed. [2020-07-20 01:08:23,420 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2020-07-20 01:08:23,421 INFO L268 CegarLoopResult]: For program point L325(lines 323 345) no Hoare annotation was computed. [2020-07-20 01:08:23,421 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-20 01:08:23,421 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2020-07-20 01:08:23,421 INFO L271 CegarLoopResult]: At program point L223-2(lines 223 237) the Hoare annotation is: true [2020-07-20 01:08:23,421 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2020-07-20 01:08:23,421 INFO L271 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: true [2020-07-20 01:08:23,421 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-20 01:08:23,421 INFO L271 CegarLoopResult]: At program point L238(lines 213 242) the Hoare annotation is: true [2020-07-20 01:08:23,422 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-20 01:08:23,422 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 01:08:23,422 INFO L271 CegarLoopResult]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2020-07-20 01:08:23,422 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:08:23,422 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2020-07-20 01:08:23,422 INFO L268 CegarLoopResult]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2020-07-20 01:08:23,422 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2020-07-20 01:08:23,422 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2020-07-20 01:08:23,422 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:08:23,423 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:08:23,423 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:08:23,423 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:08:23,423 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2020-07-20 01:08:23,423 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse3 .cse1 (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0)) (or .cse0 .cse3 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2))) [2020-07-20 01:08:23,423 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2020-07-20 01:08:23,423 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 01:08:23,423 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2020-07-20 01:08:23,423 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:23,424 INFO L268 CegarLoopResult]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2020-07-20 01:08:23,424 INFO L264 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:23,424 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0)) .cse1))) [2020-07-20 01:08:23,424 INFO L268 CegarLoopResult]: For program point L363(lines 363 371) no Hoare annotation was computed. [2020-07-20 01:08:23,424 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 01:08:23,424 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-07-20 01:08:23,424 INFO L268 CegarLoopResult]: For program point L359(lines 359 376) no Hoare annotation was computed. [2020-07-20 01:08:23,424 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2020-07-20 01:08:23,425 INFO L268 CegarLoopResult]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2020-07-20 01:08:23,425 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 |old(~waterLevel~0)|)) (= 2 ~waterLevel~0) .cse0 .cse1) (or .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse0 .cse1) (or .cse2 .cse3 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-20 01:08:23,425 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-07-20 01:08:23,425 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-07-20 01:08:23,425 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-07-20 01:08:23,425 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-07-20 01:08:23,425 INFO L268 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2020-07-20 01:08:23,425 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2020-07-20 01:08:23,426 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 01:08:23,426 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 01:08:23,426 INFO L268 CegarLoopResult]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2020-07-20 01:08:23,426 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:23,426 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:23,426 INFO L268 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-07-20 01:08:23,426 INFO L264 CegarLoopResult]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-20 01:08:23,427 INFO L268 CegarLoopResult]: For program point L387-1(line 387) no Hoare annotation was computed. [2020-07-20 01:08:23,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:08:23 BoogieIcfgContainer [2020-07-20 01:08:23,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:08:23,463 INFO L168 Benchmark]: Toolchain (without parser) took 86519.75 ms. Allocated memory was 138.4 MB in the beginning and 1.0 GB in the end (delta: 866.6 MB). Free memory was 102.4 MB in the beginning and 134.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 875.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:23,464 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 01:08:23,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.34 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 102.0 MB in the beginning and 172.9 MB in the end (delta: -70.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:23,465 INFO L168 Benchmark]: Boogie Preprocessor took 93.64 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:23,465 INFO L168 Benchmark]: RCFGBuilder took 1215.65 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 168.7 MB in the beginning and 196.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:23,466 INFO L168 Benchmark]: TraceAbstraction took 84508.05 ms. Allocated memory was 237.5 MB in the beginning and 1.0 GB in the end (delta: 767.6 MB). Free memory was 194.9 MB in the beginning and 134.2 MB in the end (delta: 60.7 MB). Peak memory consumption was 869.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:08:23,468 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.34 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 102.0 MB in the beginning and 172.9 MB in the end (delta: -70.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.64 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1215.65 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 168.7 MB in the beginning and 196.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 84508.05 ms. Allocated memory was 237.5 MB in the beginning and 1.0 GB in the end (delta: 767.6 MB). Free memory was 194.9 MB in the beginning and 134.2 MB in the end (delta: 60.7 MB). Peak memory consumption was 869.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 561]: Loop Invariant Derived loop invariant: ((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning) || (((0 == splverifierCounter && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 259 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 52.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 43.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1829 SDtfs, 4470 SDslu, 2625 SDs, 0 SdLazy, 12203 SolverSat, 3324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1181 GetRequests, 940 SyntacticMatches, 7 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2054 ImplicationChecksByTransitivity, 21.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=919occurred 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: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 549 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1855 PreInvPairs, 2047 NumberOfFragments, 2172 HoareAnnotationTreeSize, 1855 FomulaSimplifications, 175676298 FormulaSimplificationTreeSizeReduction, 8.0s HoareSimplificationTime, 71 FomulaSimplificationsInter, 3353566 FormulaSimplificationTreeSizeReductionInter, 23.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1722 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1709 ConstructedInterpolants, 0 QuantifiedInterpolants, 742947 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2131 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 619/683 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...