./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/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 dc08a0b643f05bf554ed8bba095ffb3efc1cc232 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-f470102 [2019-12-07 16:38:34,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:38:34,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:38:34,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:38:34,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:38:34,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:38:34,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:38:34,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:38:34,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:38:34,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:38:34,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:38:34,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:38:34,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:38:34,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:38:34,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:38:34,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:38:34,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:38:34,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:38:34,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:38:34,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:38:34,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:38:34,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:38:34,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:38:34,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:38:34,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:38:34,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:38:34,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:38:34,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:38:34,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:38:34,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:38:34,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:38:34,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:38:34,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:38:34,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:38:34,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:38:34,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:38:34,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:38:34,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:38:34,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:38:34,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:38:34,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:38:34,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 16:38:34,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:38:34,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:38:34,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:38:34,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:38:34,408 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:38:34,408 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 16:38:34,408 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 16:38:34,408 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 16:38:34,408 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 16:38:34,408 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 16:38:34,408 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 16:38:34,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:38:34,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:38:34,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:38:34,409 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 16:38:34,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:38:34,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 16:38:34,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:38:34,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:38:34,410 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 16:38:34,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:38:34,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:38:34,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:38:34,410 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 16:38:34,411 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 16:38:34,411 INFO L138 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/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/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 -> dc08a0b643f05bf554ed8bba095ffb3efc1cc232 [2019-12-07 16:38:34,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:38:34,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:38:34,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:38:34,520 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:38:34,520 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:38:34,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2019-12-07 16:38:34,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/data/fae99fb1a/ddbb45595a904c97b54cd8a91e8f2c55/FLAG09c4a221d [2019-12-07 16:38:35,014 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:38:35,014 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2019-12-07 16:38:35,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/data/fae99fb1a/ddbb45595a904c97b54cd8a91e8f2c55/FLAG09c4a221d [2019-12-07 16:38:35,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/data/fae99fb1a/ddbb45595a904c97b54cd8a91e8f2c55 [2019-12-07 16:38:35,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:38:35,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:38:35,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:38:35,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:38:35,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:38:35,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35, skipping insertion in model container [2019-12-07 16:38:35,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:38:35,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:38:35,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:38:35,291 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:38:35,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:38:35,366 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:38:35,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35 WrapperNode [2019-12-07 16:38:35,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:38:35,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:38:35,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:38:35,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:38:35,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:38:35,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:38:35,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:38:35,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:38:35,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... [2019-12-07 16:38:35,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:38:35,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:38:35,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:38:35,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:38:35,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/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 [2019-12-07 16:38:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:38:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 16:38:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:38:35,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:38:35,841 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:38:35,841 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 16:38:35,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:38:35 BoogieIcfgContainer [2019-12-07 16:38:35,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:38:35,843 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 16:38:35,843 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 16:38:35,846 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 16:38:35,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:38:35,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 04:38:35" (1/3) ... [2019-12-07 16:38:35,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78a7bf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:38:35, skipping insertion in model container [2019-12-07 16:38:35,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:38:35,848 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:38:35" (2/3) ... [2019-12-07 16:38:35,848 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78a7bf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:38:35, skipping insertion in model container [2019-12-07 16:38:35,848 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:38:35,848 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:38:35" (3/3) ... [2019-12-07 16:38:35,850 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2019-12-07 16:38:35,879 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 16:38:35,880 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 16:38:35,880 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 16:38:35,880 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:38:35,880 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:38:35,880 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 16:38:35,880 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:38:35,880 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 16:38:35,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2019-12-07 16:38:35,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-12-07 16:38:35,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:38:35,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:38:35,913 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:38:35,913 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:38:35,913 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 16:38:35,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2019-12-07 16:38:35,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-12-07 16:38:35,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:38:35,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:38:35,918 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:38:35,918 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:38:35,921 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #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.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 21#L442true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 24#L450true main_#t~ret36 := valid_product_#res;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; 4#L537true assume 0 != main_~tmp~4; 57#L514true havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 46#L159-1true [2019-12-07 16:38:35,922 INFO L796 eck$LassoCheckResult]: Loop: 46#L159-1true assume !false; 47#L191true assume test_~splverifierCounter~0 < 4; 71#L192true test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 63#L200true assume !(0 != test_~tmp~1); 59#L200-1true test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 44#L210true assume !(0 != test_~tmp___0~1); 41#L210-1true test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 25#L220true assume 0 != test_~tmp___2~0; 15#L226-1true assume !(0 != ~pumpRunning~0); 51#L257true assume !(0 != ~systemActive~0); 27#L264true havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 54#L90true __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 68#L159true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 46#L159-1true [2019-12-07 16:38:35,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:38:35,926 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-12-07 16:38:35,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:38:35,932 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364814363] [2019-12-07 16:38:35,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:38:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,165 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:38:36,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:38:36,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941109, now seen corresponding path program 1 times [2019-12-07 16:38:36,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:38:36,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140115804] [2019-12-07 16:38:36,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:38:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,179 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:38:36,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:38:36,181 INFO L82 PathProgramCache]: Analyzing trace with hash 41337829, now seen corresponding path program 1 times [2019-12-07 16:38:36,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:38:36,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590280386] [2019-12-07 16:38:36,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:38:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:38:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:38:36,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590280386] [2019-12-07 16:38:36,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:38:36,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:38:36,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955242401] [2019-12-07 16:38:36,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:38:36,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:38:36,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:38:36,328 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 6 states. [2019-12-07 16:38:36,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:38:36,450 INFO L93 Difference]: Finished difference Result 198 states and 276 transitions. [2019-12-07 16:38:36,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:38:36,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 276 transitions. [2019-12-07 16:38:36,457 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 125 [2019-12-07 16:38:36,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 177 states and 255 transitions. [2019-12-07 16:38:36,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2019-12-07 16:38:36,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2019-12-07 16:38:36,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 255 transitions. [2019-12-07 16:38:36,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:38:36,465 INFO L688 BuchiCegarLoop]: Abstraction has 177 states and 255 transitions. [2019-12-07 16:38:36,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 255 transitions. [2019-12-07 16:38:36,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 111. [2019-12-07 16:38:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 16:38:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 16:38:36,493 INFO L711 BuchiCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 16:38:36,494 INFO L591 BuchiCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 16:38:36,494 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 16:38:36,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 159 transitions. [2019-12-07 16:38:36,495 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 78 [2019-12-07 16:38:36,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:38:36,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:38:36,496 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:38:36,496 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:38:36,497 INFO L794 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #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.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 307#L-1 havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 308#L442 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 317#L450 main_#t~ret36 := valid_product_#res;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; 295#L537 assume 0 != main_~tmp~4; 296#L514 havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 351#L159-1 [2019-12-07 16:38:36,497 INFO L796 eck$LassoCheckResult]: Loop: 351#L159-1 assume !false; 352#L191 assume test_~splverifierCounter~0 < 4; 354#L192 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 361#L200 assume !(0 != test_~tmp~1); 310#L200-1 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 348#L210 assume !(0 != test_~tmp___0~1); 335#L210-1 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 322#L220 assume 0 != test_~tmp___2~0; 311#L226-1 assume !(0 != ~pumpRunning~0); 313#L257 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 332#L289 assume !(0 == ~pumpRunning~0); 319#L264 havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 325#L90 __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 356#L159 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 351#L159-1 [2019-12-07 16:38:36,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:38:36,497 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-12-07 16:38:36,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:38:36,498 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958097203] [2019-12-07 16:38:36,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:38:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,567 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:38:36,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:38:36,568 INFO L82 PathProgramCache]: Analyzing trace with hash -353177349, now seen corresponding path program 1 times [2019-12-07 16:38:36,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:38:36,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267596262] [2019-12-07 16:38:36,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:38:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:38:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:38:36,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267596262] [2019-12-07 16:38:36,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:38:36,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:38:36,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870382721] [2019-12-07 16:38:36,578 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 16:38:36,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:38:36,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:38:36,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:38:36,578 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. cyclomatic complexity: 51 Second operand 3 states. [2019-12-07 16:38:36,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:38:36,623 INFO L93 Difference]: Finished difference Result 150 states and 202 transitions. [2019-12-07 16:38:36,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:38:36,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 202 transitions. [2019-12-07 16:38:36,626 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2019-12-07 16:38:36,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 150 states and 202 transitions. [2019-12-07 16:38:36,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2019-12-07 16:38:36,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2019-12-07 16:38:36,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 202 transitions. [2019-12-07 16:38:36,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:38:36,630 INFO L688 BuchiCegarLoop]: Abstraction has 150 states and 202 transitions. [2019-12-07 16:38:36,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 202 transitions. [2019-12-07 16:38:36,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-12-07 16:38:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-12-07 16:38:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 202 transitions. [2019-12-07 16:38:36,639 INFO L711 BuchiCegarLoop]: Abstraction has 150 states and 202 transitions. [2019-12-07 16:38:36,639 INFO L591 BuchiCegarLoop]: Abstraction has 150 states and 202 transitions. [2019-12-07 16:38:36,639 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 16:38:36,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 202 transitions. [2019-12-07 16:38:36,641 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2019-12-07 16:38:36,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:38:36,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:38:36,642 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:38:36,642 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:38:36,642 INFO L794 eck$LassoCheckResult]: Stem: 598#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #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.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 574#L-1 havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 575#L442 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 583#L450 main_#t~ret36 := valid_product_#res;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; 562#L537 assume 0 != main_~tmp~4; 563#L514 havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 623#L159-1 [2019-12-07 16:38:36,643 INFO L796 eck$LassoCheckResult]: Loop: 623#L159-1 assume !false; 624#L191 assume test_~splverifierCounter~0 < 4; 627#L192 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 635#L200 assume !(0 != test_~tmp~1); 577#L200-1 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 620#L210 assume !(0 != test_~tmp___0~1); 602#L210-1 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 589#L220 assume 0 != test_~tmp___2~0; 578#L226-1 assume !(0 != ~pumpRunning~0); 579#L257 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 599#L289 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 600#L130 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 568#L135 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 569#L391 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~2 := 0; 580#L391-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 582#L397 processEnvironment_#t~ret16 := isHighWaterLevel_#res;processEnvironment_~tmp~2 := processEnvironment_#t~ret16;havoc processEnvironment_#t~ret16; 584#L293 assume !(0 != processEnvironment_~tmp~2); 586#L264 havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 592#L90 __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 630#L159 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 623#L159-1 [2019-12-07 16:38:36,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:38:36,643 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-12-07 16:38:36,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:38:36,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244134768] [2019-12-07 16:38:36,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:38:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,701 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:38:36,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:38:36,702 INFO L82 PathProgramCache]: Analyzing trace with hash -539551513, now seen corresponding path program 1 times [2019-12-07 16:38:36,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:38:36,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854506733] [2019-12-07 16:38:36,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:38:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,710 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:38:36,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:38:36,711 INFO L82 PathProgramCache]: Analyzing trace with hash -524839539, now seen corresponding path program 1 times [2019-12-07 16:38:36,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:38:36,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920117333] [2019-12-07 16:38:36,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:38:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:38:36,762 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:00,719 WARN L192 SmtUtils]: Spent 23.83 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-12-07 16:39:12,606 WARN L192 SmtUtils]: Spent 11.88 s on a formula simplification that was a NOOP. DAG size: 400 [2019-12-07 16:39:12,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 04:39:12 BoogieIcfgContainer [2019-12-07 16:39:12,658 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 16:39:12,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:39:12,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:39:12,659 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:39:12,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:38:35" (3/4) ... [2019-12-07 16:39:12,661 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 16:39:12,701 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c7bf69db-1fb8-4251-9e23-ecdedba93e57/bin/uautomizer/witness.graphml [2019-12-07 16:39:12,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:39:12,702 INFO L168 Benchmark]: Toolchain (without parser) took 37667.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:12,702 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:39:12,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:12,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:12,703 INFO L168 Benchmark]: Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:39:12,704 INFO L168 Benchmark]: RCFGBuilder took 408.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:12,704 INFO L168 Benchmark]: BuchiAutomizer took 36815.72 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -53.4 MB). Peak memory consumption was 255.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:12,704 INFO L168 Benchmark]: Witness Printer took 42.60 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: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:12,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 408.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 36815.72 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -53.4 MB). Peak memory consumption was 255.9 MB. Max. memory is 11.5 GB. * Witness Printer took 42.60 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: 3.0 MB). Peak memory consumption was 3.0 MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 150 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 36.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 66 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 150 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 214 SDtfs, 476 SDslu, 590 SDs, 0 SdLazy, 64 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 190]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7442} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=12418, NULL=12405, NULL=7442, NULL=12414, NULL=0, retValue_acc=0, NULL=12408, NULL=7455, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=7444, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ea7b97=0, NULL=7447, NULL=0, tmp___1=0, NULL=12410, NULL=7445, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7108bd9f=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=12407, NULL=7453, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b29dcb1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f135b9d=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=12416, NULL=7454, \result=0, NULL=12417, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=12404, \result=0, NULL=7446, tmp=1, NULL=0, NULL=7443, retValue_acc=1, NULL=0, tmp=0, \result=1, NULL=7450, retValue_acc=1, tmp=1, NULL=12409, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=7448, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54071a0a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c2b89e3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c317702=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@572b143f=0, NULL=7452, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a3f4800=0, tmp=0, head=0, NULL=12406, NULL=12415, NULL=7449, NULL=0, NULL=7451} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L250] int pumpRunning = 0; [L251] int systemActive = 1; [L455] int cleanupTimeShifts = 4; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L528] int retValue_acc ; [L529] int tmp ; [L446] int retValue_acc ; [L449] retValue_acc = 1 [L450] return (retValue_acc); [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) [L181] int splverifierCounter ; [L182] int tmp ; [L183] int tmp___0 ; [L184] int tmp___1 ; [L185] int tmp___2 ; [L188] splverifierCounter = 0 Loop: [L190] COND TRUE 1 [L192] COND TRUE splverifierCounter < 4 [L198] tmp = __VERIFIER_nondet_int() [L200] COND FALSE !(\read(tmp)) [L208] tmp___0 = __VERIFIER_nondet_int() [L210] COND FALSE !(\read(tmp___0)) [L218] tmp___2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp___2) [L257] COND FALSE !(\read(pumpRunning)) [L264] COND TRUE \read(systemActive) [L286] int tmp ; [L289] COND TRUE ! pumpRunning [L383] int retValue_acc ; [L384] int tmp ; [L385] int tmp___0 ; [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] return (retValue_acc); [L389] tmp = isHighWaterSensorDry() [L391] COND TRUE \read(tmp) [L392] tmp___0 = 0 [L396] retValue_acc = tmp___0 [L397] return (retValue_acc); [L291] tmp = isHighWaterLevel() [L293] COND FALSE !(\read(tmp)) [L152] int tmp ; [L153] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L157] tmp = isMethaneLevelCritical() [L159] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...