./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:51:18,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:51:18,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:51:18,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:51:18,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:51:18,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:51:18,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:51:18,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:51:18,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:51:18,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:51:18,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:51:18,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:51:18,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:51:18,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:51:18,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:51:18,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:51:18,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:51:18,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:51:18,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:51:18,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:51:18,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:51:18,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:51:18,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:51:18,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:51:18,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:51:18,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:51:18,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:51:18,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:51:18,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:51:18,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:51:18,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:51:18,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:51:18,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:51:18,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:51:18,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:51:18,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:51:18,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:51:18,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:51:18,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:51:18,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:51:18,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:51:18,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:51:18,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:51:18,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:51:18,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:51:18,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:51:18,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:51:18,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:51:18,962 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:51:18,962 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:51:18,962 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:51:18,972 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:51:18,972 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:51:18,973 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:51:18,973 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:51:18,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:51:18,973 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:51:18,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:51:18,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:51:18,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:51:18,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:51:18,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:51:18,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:51:18,975 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:51:18,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:51:18,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:51:18,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:51:18,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:51:18,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:51:18,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:51:18,984 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:51:18,984 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_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 [2022-11-02 20:51:19,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:51:19,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:51:19,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:51:19,287 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:51:19,288 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:51:19,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-restricted-15/PastaC7.c [2022-11-02 20:51:19,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/data/fd0113166/c89b08793a524c41a7b4c879f9af7517/FLAG46021e50a [2022-11-02 20:51:19,807 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:51:19,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/sv-benchmarks/c/termination-restricted-15/PastaC7.c [2022-11-02 20:51:19,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/data/fd0113166/c89b08793a524c41a7b4c879f9af7517/FLAG46021e50a [2022-11-02 20:51:20,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/data/fd0113166/c89b08793a524c41a7b4c879f9af7517 [2022-11-02 20:51:20,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:51:20,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:51:20,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:51:20,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:51:20,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:51:20,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e04f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20, skipping insertion in model container [2022-11-02 20:51:20,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:51:20,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:51:20,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:20,411 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:51:20,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:20,439 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:51:20,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20 WrapperNode [2022-11-02 20:51:20,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:51:20,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:51:20,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:51:20,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:51:20,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,476 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-02 20:51:20,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:51:20,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:51:20,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:51:20,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:51:20,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,498 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:51:20,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:51:20,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:51:20,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:51:20,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:51:20,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:51:20,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:51:20,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:51:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:51:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:51:20,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:51:20,673 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:51:20,729 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:51:20,735 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:51:20,735 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:51:20,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:20 BoogieIcfgContainer [2022-11-02 20:51:20,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:51:20,738 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:51:20,739 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:51:20,743 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:51:20,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:51:20,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:51:20" (1/3) ... [2022-11-02 20:51:20,745 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fac6400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:51:20, skipping insertion in model container [2022-11-02 20:51:20,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:51:20,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20" (2/3) ... [2022-11-02 20:51:20,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fac6400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:51:20, skipping insertion in model container [2022-11-02 20:51:20,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:51:20,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:20" (3/3) ... [2022-11-02 20:51:20,748 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaC7.c [2022-11-02 20:51:20,806 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:51:20,806 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:51:20,806 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:51:20,806 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:51:20,806 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:51:20,806 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:51:20,806 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:51:20,807 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:51:20,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-11-02 20:51:20,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:51:20,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:51:20,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:51:20,834 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:51:20,834 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:51:20,834 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:51:20,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-11-02 20:51:20,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:51:20,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:51:20,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:51:20,836 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:51:20,836 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:51:20,843 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~t~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~t~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6#L14-2true [2022-11-02 20:51:20,844 INFO L750 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~i~0#1 <= 100 && main_~j~0#1 < main_~k~0#1);main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 1 + main_~i~0#1;main_~k~0#1 := main_~k~0#1 - 1; 6#L14-2true [2022-11-02 20:51:20,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:20,850 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:51:20,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:20,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017249824] [2022-11-02 20:51:20,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:20,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:51:20,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:51:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:51:20,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:51:20,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:20,955 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-02 20:51:20,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:20,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566756302] [2022-11-02 20:51:20,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:51:20,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:51:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:51:20,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:51:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-02 20:51:20,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:20,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056692022] [2022-11-02 20:51:20,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:20,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:51:20,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:51:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:51:20,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:51:21,089 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:51:21,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:51:21,090 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:51:21,090 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:51:21,091 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:51:21,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:51:21,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:51:21,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:51:21,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC7.c_Iteration1_Loop [2022-11-02 20:51:21,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:51:21,092 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:51:21,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:51:21,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:51:21,191 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:51:21,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:51:21,325 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:51:21,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:51:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:51:21,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:51:21,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:51:21,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:51:21,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:51:21,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:51:21,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:51:21,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:51:21,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:51:21,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1ea7a6-a6e9-4b97-afae-e4381971a8fb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:51:21,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:51:21,416 INFO L160 nArgumentSynthesizer]: Using integer mode.