./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.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_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/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 cad73398e0cf8deb8923c0d0bd284c41454d0d9c ............................................................................................................................................................................................................................................................................................................................................................... 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 18:53:10,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:53:10,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:53:10,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:53:10,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:53:10,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:53:10,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:53:10,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:53:10,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:53:10,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:53:10,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:53:10,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:53:10,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:53:10,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:53:10,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:53:10,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:53:10,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:53:10,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:53:10,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:53:10,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:53:10,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:53:10,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:53:10,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:53:10,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:53:10,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:53:10,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:53:10,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:53:10,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:53:10,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:53:10,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:53:10,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:53:10,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:53:10,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:53:10,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:53:10,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:53:10,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:53:10,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:53:10,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:53:10,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:53:10,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:53:10,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:53:10,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:53:11,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:53:11,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:53:11,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:53:11,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:53:11,003 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:53:11,003 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:53:11,003 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:53:11,003 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:53:11,003 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:53:11,003 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:53:11,003 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:53:11,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:53:11,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:53:11,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:53:11,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:53:11,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:53:11,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:53:11,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:53:11,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:53:11,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:53:11,005 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:53:11,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:53:11,005 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:53:11,005 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:53:11,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:53:11,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:53:11,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:53:11,005 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:53:11,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:53:11,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:53:11,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:53:11,006 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:53:11,006 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:53:11,006 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_2b750440-9ca5-46a8-bfb1-7323793e7dc6/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 -> cad73398e0cf8deb8923c0d0bd284c41454d0d9c [2019-12-07 18:53:11,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:53:11,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:53:11,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:53:11,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:53:11,117 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:53:11,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2019-12-07 18:53:11,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/data/870140290/8ff15d655389427aa0af2f10ac881806/FLAG39debb0af [2019-12-07 18:53:11,521 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:53:11,521 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2019-12-07 18:53:11,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/data/870140290/8ff15d655389427aa0af2f10ac881806/FLAG39debb0af [2019-12-07 18:53:11,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/data/870140290/8ff15d655389427aa0af2f10ac881806 [2019-12-07 18:53:11,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:53:11,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:53:11,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:11,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:53:11,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:53:11,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,545 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 06:53:11, skipping insertion in model container [2019-12-07 18:53:11,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:53:11,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:53:11,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:53:11,786 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:53:11,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:53:11,857 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:53:11,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11 WrapperNode [2019-12-07 18:53:11,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:11,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:53:11,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:53:11,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:53:11,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:53:11,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:53:11,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:53:11,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:53:11,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... [2019-12-07 18:53:11,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:53:11,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:53:11,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:53:11,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:53:11,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/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 18:53:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:53:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:53:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:53:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:53:12,403 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:53:12,403 INFO L287 CfgBuilder]: Removed 164 assume(true) statements. [2019-12-07 18:53:12,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:53:12 BoogieIcfgContainer [2019-12-07 18:53:12,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:53:12,404 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:53:12,404 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:53:12,407 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:53:12,407 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:53:12,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:53:11" (1/3) ... [2019-12-07 18:53:12,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@524e9fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:53:12, skipping insertion in model container [2019-12-07 18:53:12,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:53:12,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:11" (2/3) ... [2019-12-07 18:53:12,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@524e9fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:53:12, skipping insertion in model container [2019-12-07 18:53:12,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:53:12,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:53:12" (3/3) ... [2019-12-07 18:53:12,409 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2019-12-07 18:53:12,439 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:53:12,439 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:53:12,439 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:53:12,439 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:53:12,439 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:53:12,439 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:53:12,440 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:53:12,440 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:53:12,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-12-07 18:53:12,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-12-07 18:53:12,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:53:12,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:53:12,474 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:53:12,474 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:53:12,474 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:53:12,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-12-07 18:53:12,479 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-12-07 18:53:12,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:53:12,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:53:12,479 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:53:12,480 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:53:12,483 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 13#L-1true havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 56#L716true 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; 61#L724true main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 36#L813true assume 0 != main_~tmp~7; 40#L788true ~methAndRunningLastTime~0 := 0; 71#L834true havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 72#L845-1true [2019-12-07 18:53:12,483 INFO L796 eck$LassoCheckResult]: Loop: 72#L845-1true assume !false; 79#L267true assume test_~splverifierCounter~0 < 4; 44#L268true test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 39#L276true assume !(0 != test_~tmp~3); 38#L276-1true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 75#L286true assume !(0 != test_~tmp___0~1); 73#L286-1true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 9#L296true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 35#L304-1true assume !(0 != ~pumpRunning~0); 19#L59true assume !(0 != ~systemActive~0); 82#L66true havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 47#L920-1true __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 70#L845true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 72#L845-1true [2019-12-07 18:53:12,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:12,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 18:53:12,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:53:12,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808914646] [2019-12-07 18:53:12,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:53:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:12,694 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:53:12,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:12,695 INFO L82 PathProgramCache]: Analyzing trace with hash 13527572, now seen corresponding path program 1 times [2019-12-07 18:53:12,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:53:12,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098578594] [2019-12-07 18:53:12,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:53:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:53:12,728 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 18:53:12,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098578594] [2019-12-07 18:53:12,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:53:12,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:53:12,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097688787] [2019-12-07 18:53:12,732 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:53:12,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:53:12,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:53:12,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:53:12,744 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 3 states. [2019-12-07 18:53:12,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:53:12,790 INFO L93 Difference]: Finished difference Result 209 states and 301 transitions. [2019-12-07 18:53:12,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:53:12,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 301 transitions. [2019-12-07 18:53:12,796 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2019-12-07 18:53:12,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 195 states and 286 transitions. [2019-12-07 18:53:12,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2019-12-07 18:53:12,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2019-12-07 18:53:12,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 286 transitions. [2019-12-07 18:53:12,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:53:12,804 INFO L688 BuchiCegarLoop]: Abstraction has 195 states and 286 transitions. [2019-12-07 18:53:12,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 286 transitions. [2019-12-07 18:53:12,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2019-12-07 18:53:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-07 18:53:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 283 transitions. [2019-12-07 18:53:12,832 INFO L711 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2019-12-07 18:53:12,832 INFO L591 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2019-12-07 18:53:12,832 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:53:12,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 283 transitions. [2019-12-07 18:53:12,834 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2019-12-07 18:53:12,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:53:12,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:53:12,834 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:53:12,835 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:53:12,835 INFO L794 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 345#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 346#L716 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; 409#L724 main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 382#L813 assume 0 != main_~tmp~7; 383#L788 ~methAndRunningLastTime~0 := 0; 388#L834 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 374#L845-1 [2019-12-07 18:53:12,835 INFO L796 eck$LassoCheckResult]: Loop: 374#L845-1 assume !false; 418#L267 assume test_~splverifierCounter~0 < 4; 422#L268 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 454#L276 assume !(0 != test_~tmp~3); 452#L276-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 420#L286 assume !(0 != test_~tmp___0~1); 362#L286-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 334#L296 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 336#L304-1 assume !(0 != ~pumpRunning~0); 356#L59 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 357#L117 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret0, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 462#L91-1 assume !(0 != ~pumpRunning~0); 424#L66 havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 425#L920-1 __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 416#L845 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 374#L845-1 [2019-12-07 18:53:12,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:12,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 18:53:12,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:53:12,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559124068] [2019-12-07 18:53:12,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:53:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:12,902 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:53:12,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:12,902 INFO L82 PathProgramCache]: Analyzing trace with hash -2034283738, now seen corresponding path program 1 times [2019-12-07 18:53:12,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:53:12,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845043595] [2019-12-07 18:53:12,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:53:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:12,911 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:53:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:53:12,911 INFO L82 PathProgramCache]: Analyzing trace with hash -100258528, now seen corresponding path program 1 times [2019-12-07 18:53:12,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:53:12,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936019863] [2019-12-07 18:53:12,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:53:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:53:12,968 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:53:36,475 WARN L192 SmtUtils]: Spent 23.43 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 18:53:48,254 WARN L192 SmtUtils]: Spent 11.77 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 18:53:48,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:53:48 BoogieIcfgContainer [2019-12-07 18:53:48,311 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:53:48,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:53:48,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:53:48,311 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:53:48,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:53:12" (3/4) ... [2019-12-07 18:53:48,314 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 18:53:48,349 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b750440-9ca5-46a8-bfb1-7323793e7dc6/bin/uautomizer/witness.graphml [2019-12-07 18:53:48,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:53:48,350 INFO L168 Benchmark]: Toolchain (without parser) took 36810.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -126.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:48,350 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:48,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:48,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.11 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 18:53:48,351 INFO L168 Benchmark]: Boogie Preprocessor took 29.79 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 18:53:48,351 INFO L168 Benchmark]: RCFGBuilder took 472.57 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:48,352 INFO L168 Benchmark]: BuchiAutomizer took 35906.35 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -67.6 MB). Peak memory consumption was 237.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:48,352 INFO L168 Benchmark]: Witness Printer took 37.90 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:48,354 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.11 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 29.79 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 472.57 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 35906.35 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -67.6 MB). Peak memory consumption was 237.4 MB. Max. memory is 11.5 GB. * Witness Printer took 37.90 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: 16.4 MB). Peak memory consumption was 16.4 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 3 locations. The remainder module has 193 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 35.7s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 193 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 153 SDtfs, 149 SDslu, 140 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 266]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9247} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=9269, NULL=9249, NULL=0, NULL=9247, NULL=9268, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=9250, tmp=0, NULL=9270, NULL=9261, methaneLevelCritical=0, NULL=9262, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70bb8473=0, tmp=0, NULL=0, NULL=0, NULL=9255, tmp___1=0, NULL=0, NULL=0, NULL=0, cleanupTimeShifts=4, NULL=9248, NULL=9263, NULL=9256, NULL=9257, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=9259, NULL=0, NULL=9254, NULL=9271, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=9265, \result=1, NULL=9253, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c22ca9=0, \result=0, NULL=9260, NULL=9266, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e860d54=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d827320=62, retValue_acc=1, NULL=0, tmp___2=62, tmp___0=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=9272, NULL=9252, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50b7b0c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bcd6bc1=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a79f5ed=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bc704ed=0, NULL=9264, NULL=9267, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@436fd2a9=0, NULL=9251, NULL=9258, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L494] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L729] int cleanupTimeShifts = 4; [L828] int methAndRunningLastTime ; [L877] int waterLevel = 1; [L878] int methaneLevelCritical = 0; [L804] int retValue_acc ; [L805] int tmp ; [L720] int retValue_acc ; [L723] retValue_acc = 1 [L724] return (retValue_acc); [L811] tmp = valid_product() [L813] COND TRUE \read(tmp) [L833] methAndRunningLastTime = 0 [L257] int splverifierCounter ; [L258] int tmp ; [L259] int tmp___0 ; [L260] int tmp___1 ; [L261] int tmp___2 ; [L264] splverifierCounter = 0 Loop: [L266] COND TRUE 1 [L268] COND TRUE splverifierCounter < 4 [L274] tmp = __VERIFIER_nondet_int() [L276] COND FALSE !(\read(tmp)) [L284] tmp___0 = __VERIFIER_nondet_int() [L286] COND FALSE !(\read(tmp___0)) [L294] tmp___2 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp___2) [L248] systemActive = 1 [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L114] int tmp ; [L117] COND FALSE !(\read(pumpRunning)) [L88] int tmp ; [L91] COND FALSE !(\read(pumpRunning)) [L838] int tmp ; [L839] int tmp___0 ; [L916] int retValue_acc ; [L919] retValue_acc = methaneLevelCritical [L920] return (retValue_acc); [L843] tmp = isMethaneLevelCritical() [L845] COND FALSE !(\read(tmp)) [L861] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...