./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product44_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product44_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e304dec1a19556a559249c7b1ef76290bc8b678 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:51:45,739 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:51:45,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:51:45,746 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:51:45,746 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:51:45,747 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:51:45,747 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:51:45,748 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:51:45,749 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:51:45,749 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:51:45,750 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:51:45,750 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:51:45,750 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:51:45,751 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:51:45,751 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:51:45,752 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:51:45,752 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:51:45,753 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:51:45,754 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:51:45,755 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:51:45,755 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:51:45,756 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:51:45,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:51:45,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:51:45,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:51:45,757 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:51:45,758 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:51:45,758 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:51:45,759 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:51:45,759 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:51:45,759 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:51:45,760 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:51:45,760 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:51:45,760 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:51:45,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:51:45,761 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:51:45,761 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 14:51:45,768 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:51:45,768 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:51:45,769 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:51:45,769 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:51:45,769 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:51:45,769 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:51:45,769 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 14:51:45,769 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:51:45,770 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:51:45,770 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:51:45,770 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:51:45,770 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:51:45,770 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:51:45,770 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:51:45,770 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:51:45,770 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:51:45,771 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:51:45,771 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:51:45,771 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:51:45,771 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:51:45,771 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:51:45,771 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:51:45,771 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:51:45,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:51:45,772 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:51:45,772 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:51:45,772 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:51:45,772 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 14:51:45,772 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:51:45,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:51:45,772 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e304dec1a19556a559249c7b1ef76290bc8b678 [2018-12-02 14:51:45,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:51:45,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:51:45,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:51:45,804 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:51:45,804 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:51:45,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product44_false-unreach-call_false-termination.cil.c [2018-12-02 14:51:45,846 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/data/efb4e0e46/8e00a02f8f284c7492e86d3c1523f7c4/FLAG6446ce28c [2018-12-02 14:51:46,295 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:51:46,296 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/sv-benchmarks/c/product-lines/minepump_spec2_product44_false-unreach-call_false-termination.cil.c [2018-12-02 14:51:46,303 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/data/efb4e0e46/8e00a02f8f284c7492e86d3c1523f7c4/FLAG6446ce28c [2018-12-02 14:51:46,311 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/data/efb4e0e46/8e00a02f8f284c7492e86d3c1523f7c4 [2018-12-02 14:51:46,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:51:46,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:51:46,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:51:46,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:51:46,316 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:51:46,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46, skipping insertion in model container [2018-12-02 14:51:46,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:51:46,344 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:51:46,495 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:51:46,538 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:51:46,582 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:51:46,596 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:51:46,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46 WrapperNode [2018-12-02 14:51:46,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:51:46,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:51:46,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:51:46,597 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:51:46,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:51:46,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:51:46,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:51:46,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:51:46,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... [2018-12-02 14:51:46,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:51:46,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:51:46,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:51:46,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:51:46,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/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 [2018-12-02 14:51:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 14:51:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 14:51:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:51:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:51:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 14:51:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 14:51:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:51:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 14:51:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 14:51:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 14:51:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 14:51:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 14:51:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 14:51:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 14:51:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 14:51:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 14:51:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 14:51:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 14:51:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 14:51:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 14:51:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 14:51:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 14:51:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 14:51:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 14:51:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 14:51:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 14:51:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 14:51:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 14:51:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 14:51:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 14:51:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 14:51:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 14:51:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 14:51:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 14:51:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 14:51:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 14:51:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 14:51:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 14:51:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 14:51:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 14:51:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 14:51:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 14:51:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 14:51:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 14:51:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 14:51:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 14:51:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 14:51:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 14:51:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 14:51:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 14:51:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 14:51:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 14:51:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:51:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:51:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 14:51:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 14:51:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 14:51:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 14:51:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:51:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:51:46,970 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:51:46,970 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 14:51:46,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:46 BoogieIcfgContainer [2018-12-02 14:51:46,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:51:46,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:51:46,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:51:46,972 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:51:46,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:51:46" (1/3) ... [2018-12-02 14:51:46,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4642bae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:51:46, skipping insertion in model container [2018-12-02 14:51:46,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:46" (2/3) ... [2018-12-02 14:51:46,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4642bae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:51:46, skipping insertion in model container [2018-12-02 14:51:46,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:46" (3/3) ... [2018-12-02 14:51:46,974 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product44_false-unreach-call_false-termination.cil.c [2018-12-02 14:51:46,980 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:51:46,985 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:51:46,994 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:51:47,012 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 14:51:47,012 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:51:47,012 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:51:47,013 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:51:47,013 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:51:47,013 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:51:47,013 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:51:47,013 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:51:47,013 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:51:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2018-12-02 14:51:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 14:51:47,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:47,030 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:51:47,032 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:47,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:47,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1477254524, now seen corresponding path program 1 times [2018-12-02 14:51:47,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:47,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:47,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:47,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:47,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:51:47,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:47,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 14:51:47,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 14:51:47,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 14:51:47,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 14:51:47,188 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2018-12-02 14:51:47,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:47,210 INFO L93 Difference]: Finished difference Result 266 states and 327 transitions. [2018-12-02 14:51:47,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 14:51:47,211 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 14:51:47,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:47,218 INFO L225 Difference]: With dead ends: 266 [2018-12-02 14:51:47,218 INFO L226 Difference]: Without dead ends: 135 [2018-12-02 14:51:47,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 14:51:47,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-02 14:51:47,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-02 14:51:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-02 14:51:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2018-12-02 14:51:47,251 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 51 [2018-12-02 14:51:47,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:47,252 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2018-12-02 14:51:47,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 14:51:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2018-12-02 14:51:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 14:51:47,254 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:47,254 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:51:47,254 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:47,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:47,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1589525536, now seen corresponding path program 1 times [2018-12-02 14:51:47,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:47,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:47,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:47,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:47,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:51:47,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:47,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:51:47,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:51:47,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:51:47,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:51:47,328 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 3 states. [2018-12-02 14:51:47,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:47,346 INFO L93 Difference]: Finished difference Result 202 states and 235 transitions. [2018-12-02 14:51:47,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:51:47,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 14:51:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:47,348 INFO L225 Difference]: With dead ends: 202 [2018-12-02 14:51:47,348 INFO L226 Difference]: Without dead ends: 126 [2018-12-02 14:51:47,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:51:47,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-02 14:51:47,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-02 14:51:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-02 14:51:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 145 transitions. [2018-12-02 14:51:47,358 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 145 transitions. Word has length 52 [2018-12-02 14:51:47,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:47,358 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 145 transitions. [2018-12-02 14:51:47,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:51:47,358 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2018-12-02 14:51:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 14:51:47,359 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:47,359 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:51:47,359 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:47,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:47,359 INFO L82 PathProgramCache]: Analyzing trace with hash -266816257, now seen corresponding path program 1 times [2018-12-02 14:51:47,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:47,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:47,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:47,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:47,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:51:47,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:47,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:51:47,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:51:47,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:51:47,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:51:47,455 INFO L87 Difference]: Start difference. First operand 126 states and 145 transitions. Second operand 7 states. [2018-12-02 14:51:47,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:47,711 INFO L93 Difference]: Finished difference Result 373 states and 449 transitions. [2018-12-02 14:51:47,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:51:47,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 14:51:47,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:47,714 INFO L225 Difference]: With dead ends: 373 [2018-12-02 14:51:47,715 INFO L226 Difference]: Without dead ends: 275 [2018-12-02 14:51:47,715 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:51:47,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-12-02 14:51:47,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 251. [2018-12-02 14:51:47,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-12-02 14:51:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 300 transitions. [2018-12-02 14:51:47,741 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 300 transitions. Word has length 57 [2018-12-02 14:51:47,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:47,742 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 300 transitions. [2018-12-02 14:51:47,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:51:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 300 transitions. [2018-12-02 14:51:47,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 14:51:47,744 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:47,744 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:51:47,744 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:47,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:47,745 INFO L82 PathProgramCache]: Analyzing trace with hash 358840493, now seen corresponding path program 1 times [2018-12-02 14:51:47,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:47,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:47,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:47,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:47,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:51:47,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:47,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:51:47,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:51:47,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:51:47,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:51:47,815 INFO L87 Difference]: Start difference. First operand 251 states and 300 transitions. Second operand 6 states. [2018-12-02 14:51:47,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:47,957 INFO L93 Difference]: Finished difference Result 679 states and 834 transitions. [2018-12-02 14:51:47,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 14:51:47,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 14:51:47,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:47,962 INFO L225 Difference]: With dead ends: 679 [2018-12-02 14:51:47,962 INFO L226 Difference]: Without dead ends: 456 [2018-12-02 14:51:47,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 14:51:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2018-12-02 14:51:47,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 450. [2018-12-02 14:51:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-12-02 14:51:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 540 transitions. [2018-12-02 14:51:47,996 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 540 transitions. Word has length 62 [2018-12-02 14:51:47,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:47,996 INFO L480 AbstractCegarLoop]: Abstraction has 450 states and 540 transitions. [2018-12-02 14:51:47,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:51:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 540 transitions. [2018-12-02 14:51:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 14:51:47,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:47,999 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:51:47,999 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:48,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:48,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1176729321, now seen corresponding path program 1 times [2018-12-02 14:51:48,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:48,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:48,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:48,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:48,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:51:48,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:48,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:51:48,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:51:48,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:51:48,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:51:48,096 INFO L87 Difference]: Start difference. First operand 450 states and 540 transitions. Second operand 7 states. [2018-12-02 14:51:48,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:48,445 INFO L93 Difference]: Finished difference Result 1163 states and 1488 transitions. [2018-12-02 14:51:48,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 14:51:48,445 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 14:51:48,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:48,449 INFO L225 Difference]: With dead ends: 1163 [2018-12-02 14:51:48,449 INFO L226 Difference]: Without dead ends: 741 [2018-12-02 14:51:48,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 14:51:48,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-12-02 14:51:48,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 655. [2018-12-02 14:51:48,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2018-12-02 14:51:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 785 transitions. [2018-12-02 14:51:48,492 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 785 transitions. Word has length 66 [2018-12-02 14:51:48,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:48,492 INFO L480 AbstractCegarLoop]: Abstraction has 655 states and 785 transitions. [2018-12-02 14:51:48,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:51:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 785 transitions. [2018-12-02 14:51:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 14:51:48,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:48,495 INFO L402 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] [2018-12-02 14:51:48,495 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:48,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:48,495 INFO L82 PathProgramCache]: Analyzing trace with hash -863272192, now seen corresponding path program 1 times [2018-12-02 14:51:48,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:48,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:48,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:48,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:48,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:51:48,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:48,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:51:48,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:51:48,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:51:48,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:51:48,556 INFO L87 Difference]: Start difference. First operand 655 states and 785 transitions. Second operand 6 states. [2018-12-02 14:51:48,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:48,602 INFO L93 Difference]: Finished difference Result 1310 states and 1614 transitions. [2018-12-02 14:51:48,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:51:48,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-02 14:51:48,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:48,605 INFO L225 Difference]: With dead ends: 1310 [2018-12-02 14:51:48,605 INFO L226 Difference]: Without dead ends: 683 [2018-12-02 14:51:48,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:51:48,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-12-02 14:51:48,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 675. [2018-12-02 14:51:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2018-12-02 14:51:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 805 transitions. [2018-12-02 14:51:48,630 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 805 transitions. Word has length 99 [2018-12-02 14:51:48,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:48,631 INFO L480 AbstractCegarLoop]: Abstraction has 675 states and 805 transitions. [2018-12-02 14:51:48,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:51:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 805 transitions. [2018-12-02 14:51:48,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 14:51:48,633 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:48,633 INFO L402 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] [2018-12-02 14:51:48,633 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:48,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:48,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1382307262, now seen corresponding path program 1 times [2018-12-02 14:51:48,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:48,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:48,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:48,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:48,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:51:48,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:48,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 14:51:48,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 14:51:48,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 14:51:48,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 14:51:48,697 INFO L87 Difference]: Start difference. First operand 675 states and 805 transitions. Second operand 8 states. [2018-12-02 14:51:48,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:48,743 INFO L93 Difference]: Finished difference Result 1350 states and 1654 transitions. [2018-12-02 14:51:48,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 14:51:48,744 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-02 14:51:48,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:48,746 INFO L225 Difference]: With dead ends: 1350 [2018-12-02 14:51:48,746 INFO L226 Difference]: Without dead ends: 703 [2018-12-02 14:51:48,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 14:51:48,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2018-12-02 14:51:48,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 691. [2018-12-02 14:51:48,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2018-12-02 14:51:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 821 transitions. [2018-12-02 14:51:48,766 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 821 transitions. Word has length 99 [2018-12-02 14:51:48,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:48,767 INFO L480 AbstractCegarLoop]: Abstraction has 691 states and 821 transitions. [2018-12-02 14:51:48,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 14:51:48,767 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 821 transitions. [2018-12-02 14:51:48,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 14:51:48,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:48,768 INFO L402 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] [2018-12-02 14:51:48,768 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:48,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:48,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1943079011, now seen corresponding path program 1 times [2018-12-02 14:51:48,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:48,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:48,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:48,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:48,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:51:48,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:48,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 14:51:48,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 14:51:48,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 14:51:48,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:51:48,817 INFO L87 Difference]: Start difference. First operand 691 states and 821 transitions. Second operand 4 states. [2018-12-02 14:51:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:48,974 INFO L93 Difference]: Finished difference Result 2193 states and 2732 transitions. [2018-12-02 14:51:48,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 14:51:48,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-02 14:51:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:48,981 INFO L225 Difference]: With dead ends: 2193 [2018-12-02 14:51:48,981 INFO L226 Difference]: Without dead ends: 1530 [2018-12-02 14:51:48,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:51:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2018-12-02 14:51:49,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1499. [2018-12-02 14:51:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1499 states. [2018-12-02 14:51:49,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1819 transitions. [2018-12-02 14:51:49,033 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1819 transitions. Word has length 99 [2018-12-02 14:51:49,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:49,034 INFO L480 AbstractCegarLoop]: Abstraction has 1499 states and 1819 transitions. [2018-12-02 14:51:49,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 14:51:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1819 transitions. [2018-12-02 14:51:49,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 14:51:49,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:49,036 INFO L402 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, 1] [2018-12-02 14:51:49,036 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:49,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:49,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1434754461, now seen corresponding path program 1 times [2018-12-02 14:51:49,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:49,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:49,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:49,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:49,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 14:51:49,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:51:49,124 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 14:51:49,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:49,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:51:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:51:49,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:51:49,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 14:51:49,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 14:51:49,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 14:51:49,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 14:51:49,351 INFO L87 Difference]: Start difference. First operand 1499 states and 1819 transitions. Second operand 19 states. [2018-12-02 14:51:49,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:49,919 INFO L93 Difference]: Finished difference Result 2944 states and 3608 transitions. [2018-12-02 14:51:49,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 14:51:49,919 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2018-12-02 14:51:49,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:49,923 INFO L225 Difference]: With dead ends: 2944 [2018-12-02 14:51:49,924 INFO L226 Difference]: Without dead ends: 1473 [2018-12-02 14:51:49,926 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 14:51:49,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2018-12-02 14:51:49,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2018-12-02 14:51:49,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1473 states. [2018-12-02 14:51:49,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1747 transitions. [2018-12-02 14:51:50,000 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1747 transitions. Word has length 103 [2018-12-02 14:51:50,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:50,000 INFO L480 AbstractCegarLoop]: Abstraction has 1473 states and 1747 transitions. [2018-12-02 14:51:50,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 14:51:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1747 transitions. [2018-12-02 14:51:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 14:51:50,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:50,003 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:51:50,003 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:50,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:50,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1318659590, now seen corresponding path program 1 times [2018-12-02 14:51:50,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:50,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:50,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:50,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:50,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 14:51:50,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:51:50,044 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 14:51:50,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:50,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:51:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:51:50,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:51:50,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-02 14:51:50,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:51:50,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:51:50,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:51:50,171 INFO L87 Difference]: Start difference. First operand 1473 states and 1747 transitions. Second operand 6 states. [2018-12-02 14:51:50,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:50,615 INFO L93 Difference]: Finished difference Result 3409 states and 4291 transitions. [2018-12-02 14:51:50,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 14:51:50,615 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-12-02 14:51:50,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:50,624 INFO L225 Difference]: With dead ends: 3409 [2018-12-02 14:51:50,624 INFO L226 Difference]: Without dead ends: 2268 [2018-12-02 14:51:50,628 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:51:50,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2018-12-02 14:51:50,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 1979. [2018-12-02 14:51:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1979 states. [2018-12-02 14:51:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2385 transitions. [2018-12-02 14:51:50,706 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2385 transitions. Word has length 143 [2018-12-02 14:51:50,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:50,706 INFO L480 AbstractCegarLoop]: Abstraction has 1979 states and 2385 transitions. [2018-12-02 14:51:50,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:51:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2385 transitions. [2018-12-02 14:51:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 14:51:50,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:50,709 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-02 14:51:50,709 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:50,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:50,710 INFO L82 PathProgramCache]: Analyzing trace with hash -543075148, now seen corresponding path program 1 times [2018-12-02 14:51:50,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:50,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:50,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:50,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:50,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:51:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 14:51:50,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:51:50,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:51:50,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:51:50,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:51:50,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:51:50,758 INFO L87 Difference]: Start difference. First operand 1979 states and 2385 transitions. Second operand 3 states. [2018-12-02 14:51:50,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:51:50,857 INFO L93 Difference]: Finished difference Result 3072 states and 3811 transitions. [2018-12-02 14:51:50,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:51:50,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-12-02 14:51:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:51:50,870 INFO L225 Difference]: With dead ends: 3072 [2018-12-02 14:51:50,870 INFO L226 Difference]: Without dead ends: 3069 [2018-12-02 14:51:50,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:51:50,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2018-12-02 14:51:50,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 2490. [2018-12-02 14:51:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2490 states. [2018-12-02 14:51:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 3069 transitions. [2018-12-02 14:51:50,990 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 3069 transitions. Word has length 139 [2018-12-02 14:51:50,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:51:50,990 INFO L480 AbstractCegarLoop]: Abstraction has 2490 states and 3069 transitions. [2018-12-02 14:51:50,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:51:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 3069 transitions. [2018-12-02 14:51:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 14:51:50,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:51:50,996 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:51:50,996 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:51:50,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:51:50,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1329979027, now seen corresponding path program 1 times [2018-12-02 14:51:50,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:51:50,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:51:50,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:50,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:51:50,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:51:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:51:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:51:51,130 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 14:51:51,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:51:51 BoogieIcfgContainer [2018-12-02 14:51:51,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:51:51,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:51:51,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:51:51,257 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:51:51,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:46" (3/4) ... [2018-12-02 14:51:51,258 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 14:51:51,377 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3725f4b1-923e-422b-b8b9-cf0e450a52e3/bin-2019/uautomizer/witness.graphml [2018-12-02 14:51:51,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:51:51,378 INFO L168 Benchmark]: Toolchain (without parser) took 5064.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 950.6 MB in the beginning and 933.0 MB in the end (delta: 17.7 MB). Peak memory consumption was 253.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:51:51,378 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:51:51,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:51:51,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:51:51,379 INFO L168 Benchmark]: Boogie Preprocessor took 20.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:51:51,379 INFO L168 Benchmark]: RCFGBuilder took 332.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:51:51,379 INFO L168 Benchmark]: TraceAbstraction took 4285.70 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 179.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:51:51,379 INFO L168 Benchmark]: Witness Printer took 120.57 ms. Allocated memory is still 1.3 GB. Free memory was 995.2 MB in the beginning and 933.0 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:51:51,380 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 332.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4285.70 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 179.6 MB. Max. memory is 11.5 GB. * Witness Printer took 120.57 ms. Allocated memory is still 1.3 GB. Free memory was 995.2 MB in the beginning and 933.0 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L364] int cleanupTimeShifts = 4; [L462] int methAndRunningLastTime ; [L502] int waterLevel = 1; [L503] int methaneLevelCritical = 0; [L765] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L439] int retValue_acc ; [L440] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L444] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L355] int retValue_acc ; [L358] retValue_acc = 1 [L359] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L446] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L446] tmp = valid_product() [L448] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L450] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L451] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE waterLevel < 2 [L521] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L140] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L284] int retValue_acc ; [L285] int tmp ; [L286] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L585] COND FALSE !(waterLevel < 2) [L589] retValue_acc = 0 [L590] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L290] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] tmp = isHighWaterSensorDry() [L292] COND FALSE !(\read(tmp)) [L295] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L297] retValue_acc = tmp___0 [L298] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L174] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] tmp = isHighWaterLevel() [L176] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L178] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L203] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L228] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L232] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] retValue_acc = isMethaneLevelCritical() [L234] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L207] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] tmp = isMethaneAlarm() [L209] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L213] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L213] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L178] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] tmp = isMethaneLevelCritical() [L479] COND FALSE !(\read(tmp)) [L495] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L155] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L112] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L87] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L532] COND FALSE !(\read(methaneLevelCritical)) [L535] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L87] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L140] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L142] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] COND TRUE waterLevel > 0 [L509] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L142] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L172] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] tmp = isMethaneLevelCritical() [L479] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L481] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L239] int retValue_acc ; [L242] retValue_acc = pumpRunning [L243] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L481] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L481] tmp___0 = isPumpRunning() [L483] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L484] COND FALSE !(\read(methAndRunningLastTime)) [L489] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L155] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L112] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=1] [L65] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=1] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L140] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L142] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L508] COND TRUE waterLevel > 0 [L509] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L142] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L147] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L149] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L169] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L172] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L187] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L149] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L155] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] tmp = isMethaneLevelCritical() [L479] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L481] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L239] int retValue_acc ; [L242] retValue_acc = pumpRunning [L243] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L481] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L481] tmp___0 = isPumpRunning() [L483] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L484] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L486] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L44] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 148 locations, 1 error locations. UNSAFE Result, 4.2s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1962 SDtfs, 1489 SDslu, 5265 SDs, 0 SdLazy, 2202 SolverSat, 470 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 363 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2490occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1035 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1398 NumberOfCodeBlocks, 1398 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1203 ConstructedInterpolants, 0 QuantifiedInterpolants, 195521 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1664 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 112/116 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...