./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY --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 64bit --witnessprinter.graph.data.programhash 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:40:26,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:40:26,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:40:26,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:40:26,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:40:26,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:40:26,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:40:26,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:40:26,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:40:26,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:40:26,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:40:26,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:40:26,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:40:26,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:40:26,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:40:26,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:40:26,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:40:26,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:40:26,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:40:26,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:40:26,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:40:26,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:40:26,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:40:26,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:40:26,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:40:26,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:40:26,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:40:26,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:40:26,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:40:26,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:40:26,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:40:26,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:40:26,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:40:26,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:40:26,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:40:26,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:40:26,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:40:26,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:40:26,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:40:26,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:40:26,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:40:26,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-07 07:40:26,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:40:26,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:40:26,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:40:26,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:40:26,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:40:26,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:40:26,345 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:40:26,345 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 07:40:26,346 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 07:40:26,346 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 07:40:26,346 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 07:40:26,347 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 07:40:26,347 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 07:40:26,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:40:26,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 07:40:26,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:40:26,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:40:26,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 07:40:26,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 07:40:26,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 07:40:26,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:40:26,349 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 07:40:26,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:40:26,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 07:40:26,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:40:26,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:40:26,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:40:26,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:40:26,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:40:26,352 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 07:40:26,353 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 [2021-11-07 07:40:26,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:40:26,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:40:26,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:40:26,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:40:26,735 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:40:26,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/termination-restricted-15/PastaC7.c [2021-11-07 07:40:26,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/data/87f9b1c43/81c6597dd82a459e928bf753c3efa8fe/FLAG872d6ac55 [2021-11-07 07:40:27,370 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:40:27,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/sv-benchmarks/c/termination-restricted-15/PastaC7.c [2021-11-07 07:40:27,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/data/87f9b1c43/81c6597dd82a459e928bf753c3efa8fe/FLAG872d6ac55 [2021-11-07 07:40:27,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/data/87f9b1c43/81c6597dd82a459e928bf753c3efa8fe [2021-11-07 07:40:27,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:40:27,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:40:27,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:40:27,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:40:27,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:40:27,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:40:27" (1/1) ... [2021-11-07 07:40:27,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0330a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:27, skipping insertion in model container [2021-11-07 07:40:27,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:40:27" (1/1) ... [2021-11-07 07:40:27,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:40:27,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:40:27,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:40:27,963 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:40:28,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:40:28,012 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:40:28,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28 WrapperNode [2021-11-07 07:40:28,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:40:28,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:40:28,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:40:28,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:40:28,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:40:28,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:40:28,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:40:28,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:40:28,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:40:28,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:40:28,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:40:28,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:40:28,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (1/1) ... [2021-11-07 07:40:28,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:28,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:28,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:28,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 07:40:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:40:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:40:28,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:40:28,367 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-07 07:40:28,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:28 BoogieIcfgContainer [2021-11-07 07:40:28,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:40:28,377 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 07:40:28,377 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 07:40:28,382 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 07:40:28,383 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:40:28,383 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 07:40:27" (1/3) ... [2021-11-07 07:40:28,385 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ff53464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:40:28, skipping insertion in model container [2021-11-07 07:40:28,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:40:28,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:28" (2/3) ... [2021-11-07 07:40:28,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ff53464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:40:28, skipping insertion in model container [2021-11-07 07:40:28,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:40:28,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:28" (3/3) ... [2021-11-07 07:40:28,388 INFO L389 chiAutomizerObserver]: Analyzing ICFG PastaC7.c [2021-11-07 07:40:28,466 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 07:40:28,466 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 07:40:28,466 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 07:40:28,466 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 07:40:28,467 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 07:40:28,467 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 07:40:28,467 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 07:40:28,467 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 07:40:28,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:40:28,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-07 07:40:28,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:40:28,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:40:28,515 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-07 07:40:28,515 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-07 07:40:28,515 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 07:40:28,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:40:28,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-07 07:40:28,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:40:28,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:40:28,518 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-07 07:40:28,518 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-07 07:40:28,527 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~i~0, main_~j~0, main_~k~0, main_~t~0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~t~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~k~0 := main_#t~nondet2;havoc main_#t~nondet2; 6#L14-2true [2021-11-07 07:40:28,527 INFO L793 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~i~0 <= 100 && main_~j~0 < main_~k~0);main_~i~0 := main_~j~0;main_~j~0 := 1 + main_~i~0;main_~k~0 := main_~k~0 - 1; 6#L14-2true [2021-11-07 07:40:28,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:28,540 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-11-07 07:40:28,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:40:28,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82907972] [2021-11-07 07:40:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:40:28,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:40:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:28,649 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:40:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:28,673 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:40:28,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:28,677 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-11-07 07:40:28,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:40:28,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263568708] [2021-11-07 07:40:28,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:40:28,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:40:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:28,693 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:40:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:28,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:40:28,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:40:28,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-11-07 07:40:28,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:40:28,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630800804] [2021-11-07 07:40:28,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:40:28,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:40:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:28,718 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:40:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:40:28,729 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:40:28,893 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:40:28,894 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:40:28,894 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:40:28,894 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:40:28,894 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:40:28,894 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:28,894 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:40:28,895 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:40:28,895 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC7.c_Iteration1_Loop [2021-11-07 07:40:28,895 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:40:28,895 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:40:28,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:28,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:28,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:40:29,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:40:29,059 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:40:29,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:29,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:29,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:29,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-07 07:40:29,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:40:29,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:40:29,103 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:40:29,104 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:40:29,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:29,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:29,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:29,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:29,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:40:29,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:40:29,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-07 07:40:29,188 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:40:29,188 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:40:29,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:29,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:29,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:29,236 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:29,246 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:40:29,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:40:29,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 07:40:29,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-07 07:40:29,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:40:29,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:40:29,323 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:40:29,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:40:29,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:40:29,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ecee93-1763-46a9-866d-d666c210f509/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process