./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/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 a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 ..................................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-11-15 22:31:31,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:31:31,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:31:31,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:31:31,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:31:31,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:31:31,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:31:31,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:31:32,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:31:32,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:31:32,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:31:32,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:31:32,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:31:32,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:31:32,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:31:32,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:31:32,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:31:32,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:31:32,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:31:32,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:31:32,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:31:32,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:31:32,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:31:32,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:31:32,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:31:32,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:31:32,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:31:32,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:31:32,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:31:32,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:31:32,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:31:32,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:31:32,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:31:32,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:31:32,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:31:32,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:31:32,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:31:32,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:31:32,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:31:32,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:31:32,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:31:32,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:31:32,068 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:31:32,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:31:32,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:31:32,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:31:32,080 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:31:32,080 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:31:32,080 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:31:32,080 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:31:32,081 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:31:32,083 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:31:32,084 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:31:32,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:31:32,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:31:32,085 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:31:32,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:31:32,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:31:32,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:31:32,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:31:32,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:31:32,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:31:32,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:31:32,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:31:32,089 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:31:32,089 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:31:32,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:31:32,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:31:32,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:31:32,091 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:31:32,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:31:32,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:31:32,092 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:31:32,093 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:31:32,093 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_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/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 -> a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 [2019-11-15 22:31:32,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:31:32,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:31:32,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:31:32,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:31:32,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:31:32,134 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-11-15 22:31:32,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/data/53f4f5d0a/e777823d121e4fa99fc2faef092c2ee4/FLAG9e526aa3b [2019-11-15 22:31:32,640 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:31:32,641 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-11-15 22:31:32,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/data/53f4f5d0a/e777823d121e4fa99fc2faef092c2ee4/FLAG9e526aa3b [2019-11-15 22:31:32,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/data/53f4f5d0a/e777823d121e4fa99fc2faef092c2ee4 [2019-11-15 22:31:32,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:31:32,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:31:32,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:31:32,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:31:32,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:31:32,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:31:32" (1/1) ... [2019-11-15 22:31:32,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582e0139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:32, skipping insertion in model container [2019-11-15 22:31:32,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:31:32" (1/1) ... [2019-11-15 22:31:32,681 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:31:32,726 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:31:33,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:31:33,172 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:31:33,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:31:33,284 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:31:33,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33 WrapperNode [2019-11-15 22:31:33,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:31:33,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:31:33,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:31:33,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:31:33,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:31:33,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:31:33,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:31:33,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:31:33,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... [2019-11-15 22:31:33,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:31:33,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:31:33,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:31:33,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:31:33,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/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 [2019-11-15 22:31:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:31:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:31:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:31:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:31:34,236 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:31:34,237 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-15 22:31:34,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:31:34 BoogieIcfgContainer [2019-11-15 22:31:34,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:31:34,239 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:31:34,239 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:31:34,243 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:31:34,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:31:34,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:31:32" (1/3) ... [2019-11-15 22:31:34,246 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219aadc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:31:34, skipping insertion in model container [2019-11-15 22:31:34,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:31:34,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:33" (2/3) ... [2019-11-15 22:31:34,247 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219aadc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:31:34, skipping insertion in model container [2019-11-15 22:31:34,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:31:34,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:31:34" (3/3) ... [2019-11-15 22:31:34,250 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2019-11-15 22:31:34,295 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:31:34,295 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:31:34,296 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:31:34,296 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:31:34,296 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:31:34,296 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:31:34,296 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:31:34,297 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:31:34,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-15 22:31:34,341 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-15 22:31:34,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:31:34,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:31:34,349 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:31:34,349 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:34,349 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:31:34,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-15 22:31:34,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-15 22:31:34,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:31:34,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:31:34,356 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:31:34,356 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:34,360 INFO L791 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 5#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 11#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 4#L73true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 30#L194true assume 0 != main_~tmp~1; 101#L170true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 50#L89-1true [2019-11-15 22:31:34,361 INFO L793 eck$LassoCheckResult]: Loop: 50#L89-1true assume !false; 57#L876true assume test_~splverifierCounter~0 < 4; 3#L877true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 24#L885true assume !(0 != test_~tmp~8); 6#L885-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 63#L895true assume !(0 != test_~tmp___0~2); 61#L895-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 85#L905true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 104#L913-2true assume !(0 != ~pumpRunning~0); 55#L686true assume !(0 != ~systemActive~0); 98#L693true havoc __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 82#L630-1true __utac_acc__Specification1_spec__1_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; 53#L89true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 50#L89-1true [2019-11-15 22:31:34,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:34,367 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-15 22:31:34,374 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:34,374 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380846047] [2019-11-15 22:31:34,375 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:34,375 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:34,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:35,295 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:35,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1679344189, now seen corresponding path program 1 times [2019-11-15 22:31:35,297 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:35,297 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875501207] [2019-11-15 22:31:35,297 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:35,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:35,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:31:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:31:35,358 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875501207] [2019-11-15 22:31:35,359 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:31:35,359 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:31:35,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990398264] [2019-11-15 22:31:35,365 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-11-15 22:31:35,366 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:31:35,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:31:35,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:31:35,383 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 3 states. [2019-11-15 22:31:35,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:31:35,438 INFO L93 Difference]: Finished difference Result 102 states and 143 transitions. [2019-11-15 22:31:35,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:31:35,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 143 transitions. [2019-11-15 22:31:35,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-15 22:31:35,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2019-11-15 22:31:35,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2019-11-15 22:31:35,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2019-11-15 22:31:35,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2019-11-15 22:31:35,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:31:35,457 INFO L688 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-15 22:31:35,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2019-11-15 22:31:35,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-11-15 22:31:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-15 22:31:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2019-11-15 22:31:35,490 INFO L711 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-15 22:31:35,490 INFO L591 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-15 22:31:35,491 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:31:35,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2019-11-15 22:31:35,493 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-15 22:31:35,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:31:35,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:31:35,495 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:31:35,496 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:35,496 INFO L791 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 223#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 224#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 215#L73 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 216#L194 assume 0 != main_~tmp~1; 272#L170 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 287#L89-1 [2019-11-15 22:31:35,496 INFO L793 eck$LassoCheckResult]: Loop: 287#L89-1 assume !false; 304#L876 assume test_~splverifierCounter~0 < 4; 213#L877 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 214#L885 assume !(0 != test_~tmp~8); 220#L885-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 217#L895 assume !(0 != test_~tmp___0~2); 218#L895-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 296#L905 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 297#L913-2 assume !(0 != ~pumpRunning~0); 269#L686 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 300#L744 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret49, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 280#L718-1 assume !(0 != ~pumpRunning~0); 276#L693 havoc __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 291#L630-1 __utac_acc__Specification1_spec__1_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; 292#L89 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 287#L89-1 [2019-11-15 22:31:35,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:35,497 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-15 22:31:35,497 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:35,497 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91245530] [2019-11-15 22:31:35,497 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:35,497 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:35,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:35,985 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:35,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:35,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1091435467, now seen corresponding path program 1 times [2019-11-15 22:31:35,988 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:35,988 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429833228] [2019-11-15 22:31:35,989 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:35,989 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:35,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:36,004 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:36,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:36,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1358149583, now seen corresponding path program 1 times [2019-11-15 22:31:36,005 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:36,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774661225] [2019-11-15 22:31:36,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:36,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:36,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:36,344 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:32:02,221 WARN L191 SmtUtils]: Spent 25.73 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-11-15 22:32:15,006 WARN L191 SmtUtils]: Spent 12.78 s on a formula simplification that was a NOOP. DAG size: 449 [2019-11-15 22:32:15,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:32:15 BoogieIcfgContainer [2019-11-15 22:32:15,075 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:32:15,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:32:15,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:32:15,076 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:32:15,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:31:34" (3/4) ... [2019-11-15 22:32:15,079 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-15 22:32:15,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d19ec0c8-b2c3-43e6-93c9-97ddbba8437a/bin/uautomizer/witness.graphml [2019-11-15 22:32:15,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:32:15,151 INFO L168 Benchmark]: Toolchain (without parser) took 42483.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.9 MB). Free memory was 942.4 MB in the beginning and 1.0 GB in the end (delta: -103.7 MB). Peak memory consumption was 131.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:15,151 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:32:15,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -244.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:15,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:15,152 INFO L168 Benchmark]: Boogie Preprocessor took 64.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:32:15,153 INFO L168 Benchmark]: RCFGBuilder took 822.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:15,154 INFO L168 Benchmark]: BuchiAutomizer took 40836.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.4 MB). Peak memory consumption was 244.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:15,154 INFO L168 Benchmark]: Witness Printer took 74.18 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:15,156 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 617.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -244.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 822.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40836.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.4 MB). Peak memory consumption was 244.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.18 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 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 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 40.5s. 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 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 140 SDtfs, 140 SDslu, 0 SDs, 0 SdLazy, 3 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: 875]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=-12, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=-2, NULL=0, NULL=0, NULL=0, NULL=-9, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a15a223=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1afd45df=0, NULL=0, NULL=-22, NULL=0, tmp=0, tmp___1=0, tmp=0, NULL=-14, tmp___0=0, NULL=-24, cleanupTimeShifts=4, NULL=-18, NULL=-6, NULL=-16, NULL=-5, NULL=-15, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@530b35c4=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7439cc71=0, retValue_acc=0, NULL=-8, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-4, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@201068ea=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f375bea=0, NULL=0, NULL=0, NULL=-17, tmp=0, NULL=-10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6974861a=0, NULL=-11, NULL=-13, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ceaa3a4=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f07db49=0, NULL=-23, retValue_acc=1, tmp___2=52, tmp___0=0, NULL=-3, splverifierCounter=0, NULL=0, \result=0, NULL=-7, head=0, NULL=0, NULL=-21, NULL=0, tmp=0, NULL=-20, NULL=-19, NULL=0, NULL=0, NULL=-1, NULL=0, NULL=-25} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L107] int cleanupTimeShifts = 4; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L185] int retValue_acc ; [L186] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L192] tmp = valid_product() [L194] COND TRUE \read(tmp) [L866] int splverifierCounter ; [L867] int tmp ; [L868] int tmp___0 ; [L869] int tmp___1 ; [L870] int tmp___2 ; [L873] splverifierCounter = 0 Loop: [L875] COND TRUE 1 [L877] COND TRUE splverifierCounter < 4 [L883] tmp = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp)) [L893] tmp___0 = __VERIFIER_nondet_int() [L895] COND FALSE !(\read(tmp___0)) [L903] tmp___2 = __VERIFIER_nondet_int() [L905] COND TRUE \read(tmp___2) [L860] systemActive = 1 [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L82] int tmp ; [L83] int tmp___0 ; [L626] int retValue_acc ; [L629] retValue_acc = methaneLevelCritical [L630] return (retValue_acc); [L87] tmp = isMethaneLevelCritical() [L89] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...