./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:52:44,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:52:44,985 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:52:44,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:52:44,992 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:52:44,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:52:44,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:52:44,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:52:44,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:52:44,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:52:44,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:52:44,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:52:44,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:52:44,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:52:44,997 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:52:44,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:52:44,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:52:44,998 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:52:44,999 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:52:45,000 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:52:45,001 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:52:45,001 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:52:45,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:52:45,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:52:45,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:52:45,003 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:52:45,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:52:45,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:52:45,004 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:52:45,005 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:52:45,005 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:52:45,005 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:52:45,005 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:52:45,005 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:52:45,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:52:45,006 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:52:45,006 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 06:52:45,015 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:52:45,015 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:52:45,016 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 06:52:45,016 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 06:52:45,016 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:52:45,016 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:52:45,017 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 06:52:45,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:52:45,018 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:52:45,018 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 06:52:45,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:52:45,018 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 06:52:45,018 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 06:52:45,018 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 06:52:45,018 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_a023de58-b70d-4035-a3bf-78ce001837ab/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(F end) ) 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 -> 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 [2018-12-02 06:52:45,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:52:45,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:52:45,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:52:45,045 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:52:45,045 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:52:45,045 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-12-02 06:52:45,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/data/de09f155d/8ec919a8512f4bda9cb0616176165f97/FLAGf0aa5d1a3 [2018-12-02 06:52:45,479 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:52:45,480 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-12-02 06:52:45,489 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/data/de09f155d/8ec919a8512f4bda9cb0616176165f97/FLAGf0aa5d1a3 [2018-12-02 06:52:45,823 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/data/de09f155d/8ec919a8512f4bda9cb0616176165f97 [2018-12-02 06:52:45,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:52:45,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:52:45,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:52:45,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:52:45,836 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:52:45,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:52:45" (1/1) ... [2018-12-02 06:52:45,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:45, skipping insertion in model container [2018-12-02 06:52:45,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:52:45" (1/1) ... [2018-12-02 06:52:45,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:52:45,868 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:52:46,019 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:52:46,027 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:52:46,114 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:52:46,131 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:52:46,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46 WrapperNode [2018-12-02 06:52:46,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:52:46,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:52:46,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:52:46,132 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:52:46,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:52:46,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:52:46,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:52:46,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:52:46,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... [2018-12-02 06:52:46,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:52:46,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:52:46,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:52:46,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:52:46,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 06:52:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:52:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:52:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:52:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:52:46,620 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:52:46,620 INFO L280 CfgBuilder]: Removed 198 assue(true) statements. [2018-12-02 06:52:46,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:46 BoogieIcfgContainer [2018-12-02 06:52:46,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:52:46,621 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 06:52:46,621 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 06:52:46,624 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 06:52:46,624 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 06:52:46,625 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:52:45" (1/3) ... [2018-12-02 06:52:46,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c55613d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:52:46, skipping insertion in model container [2018-12-02 06:52:46,626 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 06:52:46,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:46" (2/3) ... [2018-12-02 06:52:46,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c55613d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:52:46, skipping insertion in model container [2018-12-02 06:52:46,626 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 06:52:46,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:46" (3/3) ... [2018-12-02 06:52:46,628 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-12-02 06:52:46,669 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:52:46,669 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 06:52:46,669 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 06:52:46,670 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 06:52:46,670 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:52:46,670 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:52:46,670 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 06:52:46,670 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:52:46,670 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 06:52:46,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states. [2018-12-02 06:52:46,702 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 89 [2018-12-02 06:52:46,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:52:46,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:52:46,708 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:46,709 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:46,709 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 06:52:46,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states. [2018-12-02 06:52:46,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 89 [2018-12-02 06:52:46,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:52:46,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:52:46,714 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:46,714 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:46,717 INFO L794 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 12#L-1true havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7; 11#L522true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 15#L530true main_#t~ret28 := valid_product_#res;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 17#L486true assume 0 != main_~tmp~7; 129#L459true ~methAndRunningLastTime~0 := 0; 76#L367true havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 35#L378-1true [2018-12-02 06:52:46,717 INFO L796 eck$LassoCheckResult]: Loop: 35#L378-1true assume !false; 121#L305true assume test_~splverifierCounter~0 < 4; 86#L306true test_~tmp~5 := test_#t~nondet22;havoc test_#t~nondet22; 96#L314true assume !(0 != test_~tmp~5); 92#L314-1true test_~tmp___0~2 := test_#t~nondet23;havoc test_#t~nondet23; 126#L324true assume !(0 != test_~tmp___0~2); 128#L324-1true test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 38#L334true assume 0 != test_~tmp___2~0; 14#L340-1true assume !(0 != ~pumpRunning~0); 140#L68true assume !(0 != ~systemActive~0); 84#L75true havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 78#L945-2true __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 73#L378true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 35#L378-1true [2018-12-02 06:52:46,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:46,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-02 06:52:46,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:46,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:46,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:46,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:52:46,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:46,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:46,863 INFO L82 PathProgramCache]: Analyzing trace with hash 13773843, now seen corresponding path program 1 times [2018-12-02 06:52:46,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:46,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:46,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:46,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:52:46,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:46,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:46,872 INFO L82 PathProgramCache]: Analyzing trace with hash 847070349, now seen corresponding path program 1 times [2018-12-02 06:52:46,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:46,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:46,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:46,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:52:46,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:52:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:52:46,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:52:46,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 06:52:47,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:52:47,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:52:47,004 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 6 states. [2018-12-02 06:52:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:52:47,093 INFO L93 Difference]: Finished difference Result 322 states and 463 transitions. [2018-12-02 06:52:47,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:52:47,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 463 transitions. [2018-12-02 06:52:47,099 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 207 [2018-12-02 06:52:47,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 301 states and 442 transitions. [2018-12-02 06:52:47,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 301 [2018-12-02 06:52:47,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 301 [2018-12-02 06:52:47,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 301 states and 442 transitions. [2018-12-02 06:52:47,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 06:52:47,107 INFO L705 BuchiCegarLoop]: Abstraction has 301 states and 442 transitions. [2018-12-02 06:52:47,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states and 442 transitions. [2018-12-02 06:52:47,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 175. [2018-12-02 06:52:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-12-02 06:52:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 256 transitions. [2018-12-02 06:52:47,133 INFO L728 BuchiCegarLoop]: Abstraction has 175 states and 256 transitions. [2018-12-02 06:52:47,133 INFO L608 BuchiCegarLoop]: Abstraction has 175 states and 256 transitions. [2018-12-02 06:52:47,133 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 06:52:47,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 256 transitions. [2018-12-02 06:52:47,134 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2018-12-02 06:52:47,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:52:47,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:52:47,135 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:47,135 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:47,135 INFO L794 eck$LassoCheckResult]: Stem: 595#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 495#L-1 havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7; 493#L522 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 494#L530 main_#t~ret28 := valid_product_#res;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 501#L486 assume 0 != main_~tmp~7; 503#L459 ~methAndRunningLastTime~0 := 0; 580#L367 havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 527#L378-1 [2018-12-02 06:52:47,136 INFO L796 eck$LassoCheckResult]: Loop: 527#L378-1 assume !false; 528#L305 assume test_~splverifierCounter~0 < 4; 587#L306 test_~tmp~5 := test_#t~nondet22;havoc test_#t~nondet22; 588#L314 assume !(0 != test_~tmp~5); 585#L314-1 test_~tmp___0~2 := test_#t~nondet23;havoc test_#t~nondet23; 590#L324 assume !(0 != test_~tmp___0~2); 479#L324-1 test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 533#L334 assume 0 != test_~tmp___2~0; 498#L340-1 assume !(0 != ~pumpRunning~0); 500#L68 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 606#L126 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 575#L100-1 assume !(0 == ~pumpRunning~0); 577#L75 havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 581#L945-2 __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 579#L378 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 527#L378-1 [2018-12-02 06:52:47,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:47,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-02 06:52:47,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:47,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:47,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:52:47,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:47,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1366037980, now seen corresponding path program 1 times [2018-12-02 06:52:47,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:47,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:47,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,168 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 06:52:47,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:52:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:52:47,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:52:47,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:52:47,178 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 06:52:47,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:52:47,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:52:47,178 INFO L87 Difference]: Start difference. First operand 175 states and 256 transitions. cyclomatic complexity: 84 Second operand 3 states. [2018-12-02 06:52:47,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:52:47,228 INFO L93 Difference]: Finished difference Result 217 states and 302 transitions. [2018-12-02 06:52:47,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:52:47,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 217 states and 302 transitions. [2018-12-02 06:52:47,230 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2018-12-02 06:52:47,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 217 states to 217 states and 302 transitions. [2018-12-02 06:52:47,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 217 [2018-12-02 06:52:47,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 217 [2018-12-02 06:52:47,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 217 states and 302 transitions. [2018-12-02 06:52:47,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 06:52:47,233 INFO L705 BuchiCegarLoop]: Abstraction has 217 states and 302 transitions. [2018-12-02 06:52:47,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states and 302 transitions. [2018-12-02 06:52:47,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-12-02 06:52:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-02 06:52:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 302 transitions. [2018-12-02 06:52:47,238 INFO L728 BuchiCegarLoop]: Abstraction has 217 states and 302 transitions. [2018-12-02 06:52:47,238 INFO L608 BuchiCegarLoop]: Abstraction has 217 states and 302 transitions. [2018-12-02 06:52:47,238 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 06:52:47,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 217 states and 302 transitions. [2018-12-02 06:52:47,239 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2018-12-02 06:52:47,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:52:47,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:52:47,240 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:47,240 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:47,240 INFO L794 eck$LassoCheckResult]: Stem: 999#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 893#L-1 havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7; 891#L522 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 892#L530 main_#t~ret28 := valid_product_#res;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 898#L486 assume 0 != main_~tmp~7; 900#L459 ~methAndRunningLastTime~0 := 0; 980#L367 havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 981#L378-1 [2018-12-02 06:52:47,240 INFO L796 eck$LassoCheckResult]: Loop: 981#L378-1 assume !false; 1077#L305 assume test_~splverifierCounter~0 < 4; 990#L306 test_~tmp~5 := test_#t~nondet22;havoc test_#t~nondet22; 991#L314 assume !(0 != test_~tmp~5); 987#L314-1 test_~tmp___0~2 := test_#t~nondet23;havoc test_#t~nondet23; 994#L324 assume !(0 != test_~tmp___0~2); 877#L324-1 test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 930#L334 assume 0 != test_~tmp___2~0; 896#L340-1 assume !(0 != ~pumpRunning~0); 897#L68 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1012#L126 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 976#L100-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 977#L985-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1003#L990-1 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 913#L246-3 assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~0 := 1; 912#L246-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 884#L252-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 885#L104-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 992#L75 havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1082#L945-2 __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 1080#L378 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 981#L378-1 [2018-12-02 06:52:47,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:47,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-12-02 06:52:47,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:47,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:47,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:52:47,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:47,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1305577226, now seen corresponding path program 1 times [2018-12-02 06:52:47,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:47,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:47,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,266 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 06:52:47,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:52:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:52:47,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:52:47,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:52:47,289 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 06:52:47,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:52:47,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:52:47,289 INFO L87 Difference]: Start difference. First operand 217 states and 302 transitions. cyclomatic complexity: 88 Second operand 4 states. [2018-12-02 06:52:47,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:52:47,344 INFO L93 Difference]: Finished difference Result 421 states and 579 transitions. [2018-12-02 06:52:47,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:52:47,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 421 states and 579 transitions. [2018-12-02 06:52:47,348 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 300 [2018-12-02 06:52:47,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 421 states to 421 states and 579 transitions. [2018-12-02 06:52:47,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 421 [2018-12-02 06:52:47,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 421 [2018-12-02 06:52:47,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 421 states and 579 transitions. [2018-12-02 06:52:47,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 06:52:47,353 INFO L705 BuchiCegarLoop]: Abstraction has 421 states and 579 transitions. [2018-12-02 06:52:47,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states and 579 transitions. [2018-12-02 06:52:47,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 229. [2018-12-02 06:52:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-12-02 06:52:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2018-12-02 06:52:47,361 INFO L728 BuchiCegarLoop]: Abstraction has 229 states and 314 transitions. [2018-12-02 06:52:47,361 INFO L608 BuchiCegarLoop]: Abstraction has 229 states and 314 transitions. [2018-12-02 06:52:47,361 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-02 06:52:47,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 229 states and 314 transitions. [2018-12-02 06:52:47,363 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 160 [2018-12-02 06:52:47,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:52:47,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:52:47,364 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:47,364 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:52:47,364 INFO L794 eck$LassoCheckResult]: Stem: 1648#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 1541#L-1 havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7; 1539#L522 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 1540#L530 main_#t~ret28 := valid_product_#res;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 1546#L486 assume 0 != main_~tmp~7; 1548#L459 ~methAndRunningLastTime~0 := 0; 1629#L367 havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1628#L378-1 [2018-12-02 06:52:47,365 INFO L796 eck$LassoCheckResult]: Loop: 1628#L378-1 assume !false; 1671#L305 assume test_~splverifierCounter~0 < 4; 1639#L306 test_~tmp~5 := test_#t~nondet22;havoc test_#t~nondet22; 1640#L314 assume !(0 != test_~tmp~5); 1635#L314-1 test_~tmp___0~2 := test_#t~nondet23;havoc test_#t~nondet23; 1642#L324 assume !(0 != test_~tmp___0~2); 1525#L324-1 test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 1578#L334 assume 0 != test_~tmp___2~0; 1544#L340-1 assume !(0 != ~pumpRunning~0); 1545#L68 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1665#L126 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1624#L100-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1625#L985-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1653#L990-1 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 1561#L246-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 1560#L246-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1532#L252-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1533#L104-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 1637#L75 havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1630#L945-2 __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 1627#L378 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 1628#L378-1 [2018-12-02 06:52:47,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:47,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 4 times [2018-12-02 06:52:47,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:47,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:47,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:52:47,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:47,398 INFO L82 PathProgramCache]: Analyzing trace with hash -469430136, now seen corresponding path program 1 times [2018-12-02 06:52:47,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:47,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:47,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,399 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 06:52:47,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:52:47,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1303711490, now seen corresponding path program 1 times [2018-12-02 06:52:47,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:52:47,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:52:47,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:52:47,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:52:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:52:52,708 WARN L180 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-02 06:52:55,317 WARN L180 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-02 06:52:55,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:52:55 BoogieIcfgContainer [2018-12-02 06:52:55,350 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 06:52:55,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:52:55,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:52:55,351 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:52:55,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:46" (3/4) ... [2018-12-02 06:52:55,353 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 06:52:55,384 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a023de58-b70d-4035-a3bf-78ce001837ab/bin-2019/uautomizer/witness.graphml [2018-12-02 06:52:55,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:52:55,384 INFO L168 Benchmark]: Toolchain (without parser) took 9554.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.8 MB). Free memory was 950.6 MB in the beginning and 876.5 MB in the end (delta: 74.1 MB). Peak memory consumption was 371.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:52:55,385 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:52:55,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:52:55,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.20 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:52:55,385 INFO L168 Benchmark]: Boogie Preprocessor took 23.26 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:52:55,386 INFO L168 Benchmark]: RCFGBuilder took 427.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:52:55,386 INFO L168 Benchmark]: BuchiAutomizer took 8729.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.0 GB in the beginning and 876.5 MB in the end (delta: 151.2 MB). Peak memory consumption was 352.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:52:55,386 INFO L168 Benchmark]: Witness Printer took 33.01 ms. Allocated memory is still 1.3 GB. Free memory is still 876.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:52:55,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.20 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.26 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 427.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8729.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.0 GB in the beginning and 876.5 MB in the end (delta: 151.2 MB). Peak memory consumption was 352.1 MB. Max. memory is 11.5 GB. * Witness Printer took 33.01 ms. Allocated memory is still 1.3 GB. Free memory is still 876.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 229 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 8.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 318 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 229 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 599 SDtfs, 1209 SDslu, 1240 SDs, 0 SdLazy, 131 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 304]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=23, NULL=0, NULL=0, retValue_acc=0, NULL=28, NULL=0, NULL=0, NULL=34, NULL=26, methaneLevelCritical=0, tmp___0=0, tmp=0, NULL=0, retValue_acc=0, NULL=0, NULL=39, tmp___1=0, tmp=0, cleanupTimeShifts=4, retValue_acc=0, NULL=17, NULL=14, NULL=22, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68ea401a=0, NULL=8, NULL=0, \result=0, NULL=0, NULL=0, NULL=33, NULL=0, NULL=0, NULL=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22e3534f=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6da6e45d=0, NULL=18, NULL=12, \result=0, NULL=15, NULL=38, NULL=0, NULL=36, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@247b919a=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@109859e0=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e6d9f32=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cca25d4=0, \result=1, NULL=19, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41609d3c=0, NULL=37, NULL=0, tmp=1, NULL=0, NULL=29, tmp___0=0, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=27, NULL=31, NULL=11, tmp=0, head=0, NULL=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a9c303b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dc2d288=0, NULL=0, NULL=0, NULL=35, NULL=24, NULL=0, NULL=16, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L361] int methAndRunningLastTime ; [L400] int cleanupTimeShifts = 4; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L902] int waterLevel = 1; [L903] int methaneLevelCritical = 0; [L477] int retValue_acc ; [L478] int tmp ; [L526] int retValue_acc ; [L529] retValue_acc = 1 [L530] return (retValue_acc); [L484] tmp = valid_product() [L486] COND TRUE \read(tmp) [L366] methAndRunningLastTime = 0 [L295] int splverifierCounter ; [L296] int tmp ; [L297] int tmp___0 ; [L298] int tmp___1 ; [L299] int tmp___2 ; [L302] splverifierCounter = 0 Loop: [L304] COND TRUE 1 [L306] COND TRUE splverifierCounter < 4 [L312] tmp = __VERIFIER_nondet_int() [L314] COND FALSE !(\read(tmp)) [L322] tmp___0 = __VERIFIER_nondet_int() [L324] COND FALSE !(\read(tmp___0)) [L332] tmp___2 = __VERIFIER_nondet_int() [L334] COND TRUE \read(tmp___2) [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L123] int tmp ; [L126] COND FALSE !(\read(pumpRunning)) [L97] int tmp ; [L100] COND TRUE ! pumpRunning [L238] int retValue_acc ; [L239] int tmp ; [L240] int tmp___0 ; [L982] int retValue_acc ; [L985] COND TRUE waterLevel < 2 [L986] retValue_acc = 1 [L987] return (retValue_acc); [L244] tmp = isHighWaterSensorDry() [L246] COND TRUE \read(tmp) [L247] tmp___0 = 0 [L251] retValue_acc = tmp___0 [L252] return (retValue_acc); [L102] tmp = isHighWaterLevel() [L104] COND FALSE !(\read(tmp)) [L371] int tmp ; [L372] int tmp___0 ; [L941] int retValue_acc ; [L944] retValue_acc = methaneLevelCritical [L945] return (retValue_acc); [L376] tmp = isMethaneLevelCritical() [L378] COND FALSE !(\read(tmp)) [L394] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...