./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_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_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product44_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/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 cd9d3373e3670d73493569b1c43b551709fc0f6c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-12-09 10:30:29,816 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:30:29,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:30:29,823 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:30:29,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:30:29,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:30:29,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:30:29,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:30:29,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:30:29,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:30:29,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:30:29,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:30:29,828 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:30:29,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:30:29,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:30:29,829 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:30:29,830 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:30:29,831 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:30:29,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:30:29,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:30:29,833 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:30:29,834 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:30:29,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:30:29,835 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:30:29,835 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:30:29,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:30:29,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:30:29,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:30:29,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:30:29,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:30:29,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:30:29,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:30:29,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:30:29,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:30:29,840 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:30:29,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:30:29,840 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 10:30:29,848 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:30:29,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:30:29,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:30:29,848 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:30:29,849 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:30:29,849 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:30:29,849 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:30:29,849 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:30:29,849 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:30:29,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:30:29,850 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:30:29,850 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:30:29,850 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:30:29,850 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:30:29,850 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:30:29,850 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:30:29,850 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:30:29,851 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:30:29,851 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:30:29,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:30:29,851 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:30:29,851 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:30:29,851 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:30:29,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:30:29,851 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:30:29,852 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:30:29,852 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:30:29,852 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:30:29,852 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:30:29,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:30:29,852 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_78920b51-ca79-447e-ac25-46149cc13f86/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 -> cd9d3373e3670d73493569b1c43b551709fc0f6c [2018-12-09 10:30:29,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:30:29,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:30:29,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:30:29,879 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:30:29,879 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:30:29,880 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product44_false-unreach-call_false-termination.cil.c [2018-12-09 10:30:29,913 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/data/aa31ca085/0959a3a7e7d749caabe1013871c2f8b3/FLAG5b5478cfe [2018-12-09 10:30:30,296 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:30:30,296 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/sv-benchmarks/c/product-lines/minepump_spec4_product44_false-unreach-call_false-termination.cil.c [2018-12-09 10:30:30,302 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/data/aa31ca085/0959a3a7e7d749caabe1013871c2f8b3/FLAG5b5478cfe [2018-12-09 10:30:30,658 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/data/aa31ca085/0959a3a7e7d749caabe1013871c2f8b3 [2018-12-09 10:30:30,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:30:30,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:30:30,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:30:30,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:30:30,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:30:30,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30, skipping insertion in model container [2018-12-09 10:30:30,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:30:30,705 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:30:30,847 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:30:30,855 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:30:30,933 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:30:30,949 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:30:30,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30 WrapperNode [2018-12-09 10:30:30,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:30:30,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:30:30,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:30:30,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:30:30,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:30:30,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:30:30,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:30:30,972 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:30:30,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... [2018-12-09 10:30:30,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:30:30,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:30:30,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:30:30,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:30:30,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/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 [2018-12-09 10:30:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:30:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:30:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 10:30:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 10:30:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:30:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:30:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 10:30:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 10:30:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:30:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:30:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:30:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 10:30:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 10:30:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:30:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:30:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 10:30:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 10:30:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:30:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:30:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 10:30:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 10:30:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 10:30:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 10:30:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 10:30:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 10:30:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:30:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:30:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:30:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:30:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:30:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:30:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:30:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:30:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 10:30:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 10:30:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:30:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:30:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:30:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:30:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:30:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:30:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:30:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:30:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:30:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:30:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 10:30:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 10:30:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 10:30:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 10:30:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 10:30:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 10:30:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:30:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:30:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:30:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:30:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:30:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:30:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:30:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:30:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:30:31,304 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:30:31,304 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:30:31,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:30:31 BoogieIcfgContainer [2018-12-09 10:30:31,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:30:31,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:30:31,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:30:31,307 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:30:31,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:30:30" (1/3) ... [2018-12-09 10:30:31,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ffef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:30:31, skipping insertion in model container [2018-12-09 10:30:31,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:30" (2/3) ... [2018-12-09 10:30:31,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ffef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:30:31, skipping insertion in model container [2018-12-09 10:30:31,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:30:31" (3/3) ... [2018-12-09 10:30:31,309 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product44_false-unreach-call_false-termination.cil.c [2018-12-09 10:30:31,315 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:30:31,320 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:30:31,330 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:30:31,348 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:30:31,349 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:30:31,349 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:30:31,349 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:30:31,349 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:30:31,349 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:30:31,349 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:30:31,349 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:30:31,349 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:30:31,362 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-12-09 10:30:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:30:31,366 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:31,367 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] [2018-12-09 10:30:31,368 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:31,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:31,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1541000830, now seen corresponding path program 1 times [2018-12-09 10:30:31,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:31,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:31,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:31,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:31,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:31,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:30:31,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:30:31,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:30:31,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:30:31,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:30:31,523 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-12-09 10:30:31,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:31,545 INFO L93 Difference]: Finished difference Result 266 states and 323 transitions. [2018-12-09 10:30:31,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:30:31,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 10:30:31,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:31,553 INFO L225 Difference]: With dead ends: 266 [2018-12-09 10:30:31,553 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 10:30:31,555 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 [2018-12-09 10:30:31,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 10:30:31,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-09 10:30:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-09 10:30:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2018-12-09 10:30:31,588 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 46 [2018-12-09 10:30:31,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:31,588 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2018-12-09 10:30:31,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:30:31,588 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2018-12-09 10:30:31,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 10:30:31,590 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:31,590 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] [2018-12-09 10:30:31,590 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:31,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:31,591 INFO L82 PathProgramCache]: Analyzing trace with hash -550238072, now seen corresponding path program 1 times [2018-12-09 10:30:31,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:31,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:31,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:31,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:31,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:31,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:30:31,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:30:31,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:30:31,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:30:31,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:30:31,652 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 3 states. [2018-12-09 10:30:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:31,668 INFO L93 Difference]: Finished difference Result 202 states and 231 transitions. [2018-12-09 10:30:31,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:30:31,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 10:30:31,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:31,670 INFO L225 Difference]: With dead ends: 202 [2018-12-09 10:30:31,671 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 10:30:31,671 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 [2018-12-09 10:30:31,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 10:30:31,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-09 10:30:31,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 10:30:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2018-12-09 10:30:31,679 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 47 [2018-12-09 10:30:31,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:31,679 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2018-12-09 10:30:31,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:30:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2018-12-09 10:30:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:30:31,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:31,680 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] [2018-12-09 10:30:31,680 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:31,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:31,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1279280585, now seen corresponding path program 1 times [2018-12-09 10:30:31,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:31,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:31,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:31,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:31,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:31,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:30:31,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:30:31,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:30:31,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:30:31,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:30:31,749 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand 7 states. [2018-12-09 10:30:31,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:31,974 INFO L93 Difference]: Finished difference Result 374 states and 443 transitions. [2018-12-09 10:30:31,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:30:31,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 10:30:31,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:31,977 INFO L225 Difference]: With dead ends: 374 [2018-12-09 10:30:31,977 INFO L226 Difference]: Without dead ends: 274 [2018-12-09 10:30:31,978 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 [2018-12-09 10:30:31,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-12-09 10:30:32,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 250. [2018-12-09 10:30:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-12-09 10:30:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 294 transitions. [2018-12-09 10:30:32,004 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 294 transitions. Word has length 52 [2018-12-09 10:30:32,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:32,005 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 294 transitions. [2018-12-09 10:30:32,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:30:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 294 transitions. [2018-12-09 10:30:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 10:30:32,007 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:32,007 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] [2018-12-09 10:30:32,007 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:32,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:32,008 INFO L82 PathProgramCache]: Analyzing trace with hash 981285256, now seen corresponding path program 1 times [2018-12-09 10:30:32,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:32,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:32,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:32,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:32,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:32,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:30:32,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 10:30:32,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:30:32,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:30:32,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:30:32,109 INFO L87 Difference]: Start difference. First operand 250 states and 294 transitions. Second operand 10 states. [2018-12-09 10:30:32,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:32,388 INFO L93 Difference]: Finished difference Result 880 states and 1116 transitions. [2018-12-09 10:30:32,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 10:30:32,389 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-09 10:30:32,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:32,391 INFO L225 Difference]: With dead ends: 880 [2018-12-09 10:30:32,391 INFO L226 Difference]: Without dead ends: 654 [2018-12-09 10:30:32,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 10:30:32,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2018-12-09 10:30:32,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 642. [2018-12-09 10:30:32,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2018-12-09 10:30:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 782 transitions. [2018-12-09 10:30:32,421 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 782 transitions. Word has length 57 [2018-12-09 10:30:32,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:32,422 INFO L480 AbstractCegarLoop]: Abstraction has 642 states and 782 transitions. [2018-12-09 10:30:32,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:30:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 782 transitions. [2018-12-09 10:30:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 10:30:32,424 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:32,424 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] [2018-12-09 10:30:32,424 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:32,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:32,425 INFO L82 PathProgramCache]: Analyzing trace with hash 817931438, now seen corresponding path program 1 times [2018-12-09 10:30:32,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:32,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:32,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:32,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:32,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:32,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:30:32,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:30:32,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:30:32,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:30:32,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:30:32,477 INFO L87 Difference]: Start difference. First operand 642 states and 782 transitions. Second operand 4 states. [2018-12-09 10:30:32,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:32,684 INFO L93 Difference]: Finished difference Result 1647 states and 2170 transitions. [2018-12-09 10:30:32,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 10:30:32,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-09 10:30:32,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:32,689 INFO L225 Difference]: With dead ends: 1647 [2018-12-09 10:30:32,689 INFO L226 Difference]: Without dead ends: 1029 [2018-12-09 10:30:32,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:30:32,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2018-12-09 10:30:32,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 915. [2018-12-09 10:30:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2018-12-09 10:30:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1126 transitions. [2018-12-09 10:30:32,748 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1126 transitions. Word has length 61 [2018-12-09 10:30:32,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:32,749 INFO L480 AbstractCegarLoop]: Abstraction has 915 states and 1126 transitions. [2018-12-09 10:30:32,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:30:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1126 transitions. [2018-12-09 10:30:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 10:30:32,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:32,751 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:32,752 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:32,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:32,752 INFO L82 PathProgramCache]: Analyzing trace with hash -512340523, now seen corresponding path program 1 times [2018-12-09 10:30:32,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:32,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:32,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:32,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:32,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 10:30:32,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:30:32,826 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/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 [2018-12-09 10:30:32,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:32,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 10:30:33,020 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:30:33,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-12-09 10:30:33,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 10:30:33,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 10:30:33,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-12-09 10:30:33,022 INFO L87 Difference]: Start difference. First operand 915 states and 1126 transitions. Second operand 12 states. [2018-12-09 10:30:34,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:34,723 INFO L93 Difference]: Finished difference Result 2177 states and 2891 transitions. [2018-12-09 10:30:34,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-09 10:30:34,724 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-12-09 10:30:34,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:34,728 INFO L225 Difference]: With dead ends: 2177 [2018-12-09 10:30:34,728 INFO L226 Difference]: Without dead ends: 1550 [2018-12-09 10:30:34,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 773 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=521, Invalid=2235, Unknown=0, NotChecked=0, Total=2756 [2018-12-09 10:30:34,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2018-12-09 10:30:34,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1369. [2018-12-09 10:30:34,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1369 states. [2018-12-09 10:30:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1709 transitions. [2018-12-09 10:30:34,776 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1709 transitions. Word has length 89 [2018-12-09 10:30:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:34,777 INFO L480 AbstractCegarLoop]: Abstraction has 1369 states and 1709 transitions. [2018-12-09 10:30:34,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 10:30:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1709 transitions. [2018-12-09 10:30:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 10:30:34,779 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:34,779 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:34,779 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:34,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:34,779 INFO L82 PathProgramCache]: Analyzing trace with hash -164703493, now seen corresponding path program 1 times [2018-12-09 10:30:34,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:34,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:34,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:34,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:34,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 10:30:34,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:30:34,823 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/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 [2018-12-09 10:30:34,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:34,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:30:34,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:30:34,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-09 10:30:34,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:30:34,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:30:34,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:30:34,936 INFO L87 Difference]: Start difference. First operand 1369 states and 1709 transitions. Second operand 6 states. [2018-12-09 10:30:34,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:34,991 INFO L93 Difference]: Finished difference Result 2770 states and 3624 transitions. [2018-12-09 10:30:34,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:30:34,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-12-09 10:30:34,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:34,995 INFO L225 Difference]: With dead ends: 2770 [2018-12-09 10:30:34,995 INFO L226 Difference]: Without dead ends: 1425 [2018-12-09 10:30:34,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:30:34,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2018-12-09 10:30:35,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1409. [2018-12-09 10:30:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1409 states. [2018-12-09 10:30:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1753 transitions. [2018-12-09 10:30:35,040 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1753 transitions. Word has length 126 [2018-12-09 10:30:35,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:35,040 INFO L480 AbstractCegarLoop]: Abstraction has 1409 states and 1753 transitions. [2018-12-09 10:30:35,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:30:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1753 transitions. [2018-12-09 10:30:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 10:30:35,042 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:35,042 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:35,043 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:35,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:35,043 INFO L82 PathProgramCache]: Analyzing trace with hash 75536253, now seen corresponding path program 1 times [2018-12-09 10:30:35,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:35,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:35,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:35,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:35,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 10:30:35,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:30:35,102 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:30:35,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:35,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:30:35,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:30:35,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-09 10:30:35,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 10:30:35,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 10:30:35,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:30:35,234 INFO L87 Difference]: Start difference. First operand 1409 states and 1753 transitions. Second operand 11 states. [2018-12-09 10:30:35,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:35,313 INFO L93 Difference]: Finished difference Result 2539 states and 3240 transitions. [2018-12-09 10:30:35,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:30:35,313 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2018-12-09 10:30:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:35,317 INFO L225 Difference]: With dead ends: 2539 [2018-12-09 10:30:35,317 INFO L226 Difference]: Without dead ends: 1154 [2018-12-09 10:30:35,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:30:35,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2018-12-09 10:30:35,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1154. [2018-12-09 10:30:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2018-12-09 10:30:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1437 transitions. [2018-12-09 10:30:35,374 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1437 transitions. Word has length 126 [2018-12-09 10:30:35,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:35,374 INFO L480 AbstractCegarLoop]: Abstraction has 1154 states and 1437 transitions. [2018-12-09 10:30:35,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 10:30:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1437 transitions. [2018-12-09 10:30:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 10:30:35,376 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:35,376 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:35,376 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:35,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:35,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1340253832, now seen corresponding path program 1 times [2018-12-09 10:30:35,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:35,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:35,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:35,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:35,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 10:30:35,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:30:35,491 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:30:35,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:35,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:35,646 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:30:35,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-09 10:30:35,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 10:30:35,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 10:30:35,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-09 10:30:35,647 INFO L87 Difference]: Start difference. First operand 1154 states and 1437 transitions. Second operand 15 states. [2018-12-09 10:30:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:36,415 INFO L93 Difference]: Finished difference Result 2338 states and 3122 transitions. [2018-12-09 10:30:36,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 10:30:36,415 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 130 [2018-12-09 10:30:36,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:36,419 INFO L225 Difference]: With dead ends: 2338 [2018-12-09 10:30:36,419 INFO L226 Difference]: Without dead ends: 1357 [2018-12-09 10:30:36,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-12-09 10:30:36,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2018-12-09 10:30:36,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1040. [2018-12-09 10:30:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2018-12-09 10:30:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1289 transitions. [2018-12-09 10:30:36,457 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1289 transitions. Word has length 130 [2018-12-09 10:30:36,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:36,457 INFO L480 AbstractCegarLoop]: Abstraction has 1040 states and 1289 transitions. [2018-12-09 10:30:36,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 10:30:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1289 transitions. [2018-12-09 10:30:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 10:30:36,459 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:36,459 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:36,459 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:30:36,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:36,459 INFO L82 PathProgramCache]: Analyzing trace with hash 206775980, now seen corresponding path program 2 times [2018-12-09 10:30:36,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:30:36,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:30:36,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:36,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:36,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:30:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:30:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:30:36,549 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 10:30:36,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:30:36 BoogieIcfgContainer [2018-12-09 10:30:36,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:30:36,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:30:36,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:30:36,649 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:30:36,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:30:31" (3/4) ... [2018-12-09 10:30:36,651 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 10:30:36,749 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_78920b51-ca79-447e-ac25-46149cc13f86/bin-2019/uautomizer/witness.graphml [2018-12-09 10:30:36,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:30:36,750 INFO L168 Benchmark]: Toolchain (without parser) took 6085.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 408.9 MB). Free memory was 956.0 MB in the beginning and 1.4 GB in the end (delta: -411.0 MB). Peak memory consumption was 454.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:36,751 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:30:36,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:36,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:30:36,751 INFO L168 Benchmark]: Boogie Preprocessor took 22.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:30:36,751 INFO L168 Benchmark]: RCFGBuilder took 310.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:36,751 INFO L168 Benchmark]: TraceAbstraction took 5343.56 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.1 GB in the beginning and 841.8 MB in the end (delta: 219.5 MB). Peak memory consumption was 413.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:36,751 INFO L168 Benchmark]: Witness Printer took 100.53 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 84.9 MB). Free memory was 841.8 MB in the beginning and 1.4 GB in the end (delta: -525.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:36,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 310.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5343.56 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.1 GB in the beginning and 841.8 MB in the end (delta: 219.5 MB). Peak memory consumption was 413.5 MB. Max. memory is 11.5 GB. * Witness Printer took 100.53 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 84.9 MB). Free memory was 841.8 MB in the beginning and 1.4 GB in the end (delta: -525.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 752]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L555] int pumpRunning = 0; [L556] int systemActive = 1; [L757] int cleanupTimeShifts = 4; [L853] int waterLevel = 1; [L854] int methaneLevelCritical = 0; [L830] int retValue_acc ; [L831] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L836] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L464] int retValue_acc ; [L467] retValue_acc = 1 [L468] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L837] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L837] tmp = valid_product() [L839] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L841] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L842] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L480] int splverifierCounter ; [L481] int tmp ; [L482] int tmp___0 ; [L483] int tmp___1 ; [L484] int tmp___2 ; [L487] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L489] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L491] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L497] tmp = __VERIFIER_nondet_int() [L499] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L501] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L871] COND TRUE waterLevel < 2 [L872] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L501] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L507] tmp___0 = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L517] tmp___2 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___2)) [L525] tmp___1 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L536] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L562] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L594] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L706] int retValue_acc ; [L707] int tmp ; [L708] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L933] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L936] COND FALSE !(waterLevel < 2) [L940] retValue_acc = 0 [L941] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L712] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] tmp = isHighWaterSensorDry() [L714] COND FALSE !(\read(tmp)) [L717] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L719] retValue_acc = tmp___0 [L720] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L596] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] tmp = isHighWaterLevel() [L598] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L600] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L625] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L629] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L892] int retValue_acc ; [L895] retValue_acc = methaneLevelCritical [L896] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L654] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] retValue_acc = isMethaneLevelCritical() [L656] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L629] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L629] tmp = isMethaneAlarm() [L631] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L635] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L619] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L635] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L600] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L924] int retValue_acc ; [L927] retValue_acc = waterLevel [L928] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L577] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L536] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L489] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L491] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L497] tmp = __VERIFIER_nondet_int() [L499] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L507] tmp___0 = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L517] tmp___2 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___2)) [L525] tmp___1 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L536] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L562] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L564] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L859] COND TRUE waterLevel > 0 [L860] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L594] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L609] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L924] int retValue_acc ; [L927] retValue_acc = waterLevel [L928] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L577] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L536] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L489] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L491] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L497] tmp = __VERIFIER_nondet_int() [L499] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L507] tmp___0 = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L517] tmp___2 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___2)) [L525] tmp___1 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L536] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L562] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L859] COND TRUE waterLevel > 0 [L860] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L564] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L594] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L609] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L924] int retValue_acc ; [L927] retValue_acc = waterLevel [L928] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] tmp = getWaterLevel() [L51] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L661] int retValue_acc ; [L664] retValue_acc = pumpRunning [L665] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L53] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L752] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 146 locations, 1 error locations. UNSAFE Result, 5.3s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1455 SDtfs, 2045 SDslu, 4452 SDs, 0 SdLazy, 4172 SolverSat, 1266 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 631 GetRequests, 507 SyntacticMatches, 4 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1409occurred in iteration=7, 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 664 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1371 NumberOfCodeBlocks, 1371 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 196965 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3179 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 176/198 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...