./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-6b5699a [2019-11-25 08:56:04,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:56:04,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:56:04,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:56:04,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:56:04,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:56:05,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:56:05,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:56:05,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:56:05,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:56:05,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:56:05,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:56:05,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:56:05,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:56:05,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:56:05,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:56:05,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:56:05,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:56:05,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:56:05,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:56:05,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:56:05,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:56:05,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:56:05,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:56:05,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:56:05,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:56:05,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:56:05,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:56:05,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:56:05,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:56:05,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:56:05,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:56:05,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:56:05,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:56:05,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:56:05,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:56:05,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:56:05,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:56:05,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:56:05,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:56:05,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:56:05,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:56:05,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:56:05,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:56:05,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:56:05,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:56:05,083 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:56:05,084 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:56:05,084 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:56:05,084 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:56:05,084 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:56:05,084 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:56:05,085 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:56:05,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:56:05,086 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:56:05,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:56:05,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:56:05,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:56:05,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:56:05,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:56:05,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:56:05,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:56:05,087 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:56:05,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:56:05,088 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:56:05,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:56:05,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:56:05,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:56:05,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:56:05,089 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:56:05,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:56:05,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:56:05,090 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:56:05,091 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:56:05,092 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_7693d0ff-9f51-4f87-8db8-ed12c740e571/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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2019-11-25 08:56:05,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:56:05,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:56:05,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:56:05,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:56:05,281 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:56:05,282 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-11-25 08:56:05,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/data/3da671208/6bfb57c7f27a415fa46ec5f6ccfea44b/FLAGf02ad36be [2019-11-25 08:56:05,812 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:56:05,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-11-25 08:56:05,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/data/3da671208/6bfb57c7f27a415fa46ec5f6ccfea44b/FLAGf02ad36be [2019-11-25 08:56:06,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/data/3da671208/6bfb57c7f27a415fa46ec5f6ccfea44b [2019-11-25 08:56:06,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:56:06,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:56:06,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:06,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:56:06,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:56:06,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142503a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06, skipping insertion in model container [2019-11-25 08:56:06,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:56:06,220 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:56:06,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:06,564 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:56:06,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:06,690 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:56:06,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06 WrapperNode [2019-11-25 08:56:06,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:06,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:06,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:56:06,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:56:06,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:06,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:56:06,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:56:06,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:56:06,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... [2019-11-25 08:56:06,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:56:06,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:56:06,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:56:06,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:56:06,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/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 [2019-11-25 08:56:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:56:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:56:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:56:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:56:07,484 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:56:07,485 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-25 08:56:07,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:07 BoogieIcfgContainer [2019-11-25 08:56:07,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:56:07,486 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:56:07,487 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:56:07,490 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:56:07,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:07,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:56:06" (1/3) ... [2019-11-25 08:56:07,492 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ac1a667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:56:07, skipping insertion in model container [2019-11-25 08:56:07,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:07,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:06" (2/3) ... [2019-11-25 08:56:07,494 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ac1a667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:56:07, skipping insertion in model container [2019-11-25 08:56:07,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:07,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:07" (3/3) ... [2019-11-25 08:56:07,496 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2019-11-25 08:56:07,546 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:56:07,547 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:56:07,547 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:56:07,547 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:56:07,547 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:56:07,547 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:56:07,547 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:56:07,547 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:56:07,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-25 08:56:07,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-25 08:56:07,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:56:07,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:56:07,602 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:56:07,602 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:07,602 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:56:07,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-25 08:56:07,607 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-25 08:56:07,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:56:07,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:56:07,608 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:56:07,608 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:07,613 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 21#L204true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 16#L212true main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 68#L159true assume 0 != main_~tmp~1; 40#L132true havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 11#L51-1true [2019-11-25 08:56:07,614 INFO L796 eck$LassoCheckResult]: Loop: 11#L51-1true assume !false; 59#L228true assume test_~splverifierCounter~0 < 4; 60#L229true test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 26#L237true assume !(0 != test_~tmp~2); 22#L237-1true test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 71#L247true assume !(0 != test_~tmp___0~1); 69#L247-1true test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 55#L257true assume 0 != test_~tmp___2~0; 4#L263-2true assume !(0 != ~pumpRunning~0); 64#L295true assume !(0 != ~systemActive~0); 73#L302true havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 6#L515true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 14#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 11#L51-1true [2019-11-25 08:56:07,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:07,620 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-25 08:56:07,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:07,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843299476] [2019-11-25 08:56:07,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:07,973 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:07,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:07,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2019-11-25 08:56:07,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:07,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170642842] [2019-11-25 08:56:07,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:07,993 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:07,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:07,994 INFO L82 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2019-11-25 08:56:07,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:07,995 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952269555] [2019-11-25 08:56:07,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:08,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952269555] [2019-11-25 08:56:08,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:08,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:56:08,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885763811] [2019-11-25 08:56:08,337 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-11-25 08:56:08,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:08,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:56:08,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:56:08,422 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-11-25 08:56:08,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:08,565 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2019-11-25 08:56:08,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:56:08,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2019-11-25 08:56:08,576 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-25 08:56:08,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-11-25 08:56:08,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-11-25 08:56:08,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-11-25 08:56:08,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-11-25 08:56:08,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:56:08,593 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-25 08:56:08,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-11-25 08:56:08,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-25 08:56:08,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-25 08:56:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-25 08:56:08,638 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-25 08:56:08,639 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-25 08:56:08,639 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:56:08,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-11-25 08:56:08,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-25 08:56:08,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:56:08,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:56:08,642 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:56:08,642 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:08,642 INFO L794 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 185#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 186#L204 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 183#L212 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 184#L159 assume 0 != main_~tmp~1; 207#L132 havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 179#L51-1 [2019-11-25 08:56:08,643 INFO L796 eck$LassoCheckResult]: Loop: 179#L51-1 assume !false; 180#L228 assume test_~splverifierCounter~0 < 4; 222#L229 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 196#L237 assume !(0 != test_~tmp~2); 191#L237-1 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 192#L247 assume !(0 != test_~tmp___0~1); 226#L247-1 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 216#L257 assume 0 != test_~tmp___2~0; 165#L263-2 assume !(0 != ~pumpRunning~0); 166#L295 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 217#L327 assume !(0 != ~pumpRunning~0); 218#L302 havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 168#L515 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 169#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 179#L51-1 [2019-11-25 08:56:08,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:08,643 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-25 08:56:08,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:08,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959633726] [2019-11-25 08:56:08,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:08,746 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:08,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:08,747 INFO L82 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2019-11-25 08:56:08,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:08,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525569506] [2019-11-25 08:56:08,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:08,760 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:08,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:08,761 INFO L82 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2019-11-25 08:56:08,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:08,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43518862] [2019-11-25 08:56:08,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:08,874 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:36,158 WARN L192 SmtUtils]: Spent 27.19 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-25 08:56:49,007 WARN L192 SmtUtils]: Spent 12.85 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-25 08:56:49,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:56:49 BoogieIcfgContainer [2019-11-25 08:56:49,071 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:56:49,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:56:49,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:56:49,071 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:56:49,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:07" (3/4) ... [2019-11-25 08:56:49,075 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:56:49,124 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7693d0ff-9f51-4f87-8db8-ed12c740e571/bin/uautomizer/witness.graphml [2019-11-25 08:56:49,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:56:49,126 INFO L168 Benchmark]: Toolchain (without parser) took 42965.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -125.6 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:49,126 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:49,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:49,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:49,128 INFO L168 Benchmark]: Boogie Preprocessor took 33.81 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:49,128 INFO L168 Benchmark]: RCFGBuilder took 702.80 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:49,129 INFO L168 Benchmark]: BuchiAutomizer took 41584.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 40.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.4 MB). Peak memory consumption was 236.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:49,129 INFO L168 Benchmark]: Witness Printer took 53.16 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:49,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.81 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 702.80 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41584.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 40.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.4 MB). Peak memory consumption was 236.7 MB. Max. memory is 11.5 GB. * Witness Printer took 53.16 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: 2.2 MB). Peak memory consumption was 2.2 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 283 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 227]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6701} State at position 1 is {NULL=23444, NULL=0, NULL=0, NULL=29997, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@469e82bd=0, NULL=6701, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@92e5a59=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6309fa59=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751e2904=0, NULL=0, NULL=6735, NULL=15821, NULL=29995, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=30000, NULL=0, tmp___1=0, NULL=23447, tmp___0=0, NULL=29994, NULL=15819, cleanupTimeShifts=4, NULL=29999, NULL=29993, NULL=23446, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=15820, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4943ece0=0, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a607317=0, NULL=6702, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e5c3140=0, NULL=13337, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=15815, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@729960b2=0, NULL=6734, NULL=0, NULL=0, NULL=29996, tmp=1, NULL=0, NULL=0, NULL=0, NULL=15817, tmp=1, retValue_acc=1, retValue_acc=1, tmp___2=59, NULL=15816, tmp___0=0, splverifierCounter=0, NULL=0, NULL=15818, tmp=0, head=0, NULL=0, NULL=29991, NULL=29992, NULL=0, NULL=0, NULL=23445, NULL=29998} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L69] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L698] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L218] int splverifierCounter ; [L219] int tmp ; [L220] int tmp___0 ; [L221] int tmp___1 ; [L222] int tmp___2 ; [L225] splverifierCounter = 0 Loop: [L227] COND TRUE 1 [L229] COND TRUE splverifierCounter < 4 [L235] tmp = __VERIFIER_nondet_int() [L237] COND FALSE !(\read(tmp)) [L245] tmp___0 = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp___0)) [L255] tmp___2 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___2) [L295] COND FALSE !(\read(pumpRunning)) [L302] COND TRUE \read(systemActive) [L324] int tmp ; [L327] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...