./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R --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 ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 --- 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-38b53e6 [2022-11-25 15:52:47,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:52:47,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:52:47,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:52:47,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:52:47,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:52:47,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:52:47,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:52:47,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:52:47,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:52:47,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:52:47,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:52:47,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:52:47,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:52:47,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:52:47,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:52:47,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:52:47,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:52:47,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:52:47,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:52:47,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:52:47,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:52:47,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:52:47,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:52:47,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:52:47,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:52:47,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:52:47,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:52:47,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:52:47,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:52:47,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:52:47,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:52:47,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:52:47,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:52:47,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:52:47,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:52:47,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:52:47,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:52:47,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:52:47,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:52:47,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:52:47,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 15:52:47,993 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:52:47,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:52:47,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:52:47,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:52:47,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:52:47,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:52:47,996 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:52:47,996 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:52:47,996 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:52:47,997 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:52:47,998 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:52:47,998 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:52:47,998 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:52:47,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:52:47,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:52:47,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:52:47,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:52:48,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:52:48,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:52:48,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:52:48,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:52:48,001 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:52:48,002 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:52:48,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:52:48,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:52:48,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:52:48,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:52:48,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:52:48,005 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:52:48,006 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_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 [2022-11-25 15:52:48,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:52:48,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:52:48,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:52:48,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:52:48,480 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:52:48,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2022-11-25 15:52:51,972 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:52:52,233 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:52:52,233 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2022-11-25 15:52:52,239 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/data/2c399d0b5/db011cf3fe7443eabec8428b9084b2c4/FLAG5e1d03ed8 [2022-11-25 15:52:52,254 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/data/2c399d0b5/db011cf3fe7443eabec8428b9084b2c4 [2022-11-25 15:52:52,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:52:52,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:52:52,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:52,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:52:52,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:52:52,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0bb335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52, skipping insertion in model container [2022-11-25 15:52:52,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:52:52,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:52:52,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:52,477 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:52:52,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:52,507 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:52:52,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52 WrapperNode [2022-11-25 15:52:52,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:52,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:52,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:52:52,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:52:52,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,547 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-11-25 15:52:52,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:52,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:52:52,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:52:52,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:52:52,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:52:52,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:52:52,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:52:52,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:52:52,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (1/1) ... [2022-11-25 15:52:52,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:52,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:52,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:52:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:52:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:52:52,767 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:52:52,771 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:52:52,944 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:52:52,954 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:52:52,956 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:52:52,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:52 BoogieIcfgContainer [2022-11-25 15:52:52,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:52:52,963 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:52:52,963 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:52:52,969 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:52:52,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:52:52,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:52:52" (1/3) ... [2022-11-25 15:52:52,973 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@623dae0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:52:52, skipping insertion in model container [2022-11-25 15:52:52,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:52:52,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52" (2/3) ... [2022-11-25 15:52:52,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@623dae0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:52:52, skipping insertion in model container [2022-11-25 15:52:52,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:52:52,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:52" (3/3) ... [2022-11-25 15:52:52,984 INFO L332 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2022-11-25 15:52:53,122 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:52:53,122 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:52:53,123 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:52:53,123 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:52:53,123 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:52:53,123 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:52:53,124 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:52:53,124 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:52:53,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-11-25 15:52:53,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 15:52:53,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:52:53,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:52:53,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 15:52:53,171 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 15:52:53,171 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:52:53,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-11-25 15:52:53,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 15:52:53,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:52:53,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:52:53,175 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 15:52:53,175 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 15:52:53,185 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~i~0#1, main_~r~0#1, main_~N~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~i~0#1;havoc main_~r~0#1;havoc main_~N~0#1;main_~N~0#1 := 10;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~i~0#1 := 0; 6#L22-1true [2022-11-25 15:52:53,186 INFO L750 eck$LassoCheckResult]: Loop: 6#L22-1true assume !!(main_~i~0#1 < main_~N~0#1);main_~i~0#1 := 1 + main_~i~0#1;main_~r~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 4#L22true assume !(main_~r~0#1 >= 0 && main_~r~0#1 <= 3); 6#L22-1true [2022-11-25 15:52:53,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:53,201 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 15:52:53,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:53,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973742118] [2022-11-25 15:52:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:53,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:52:53,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:52:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:52:53,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:52:53,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:53,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1339, now seen corresponding path program 1 times [2022-11-25 15:52:53,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:53,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067195468] [2022-11-25 15:52:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:53,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:52:53,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:52:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:52:53,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:52:53,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:53,448 INFO L85 PathProgramCache]: Analyzing trace with hash 925821, now seen corresponding path program 1 times [2022-11-25 15:52:53,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:53,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049583486] [2022-11-25 15:52:53,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:53,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:52:53,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:52:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:52:53,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:52:53,642 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:52:53,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:52:53,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:52:53,644 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:52:53,644 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:52:53,644 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:53,644 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:52:53,644 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:52:53,645 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2022-11-25 15:52:53,645 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:52:53,645 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:52:53,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:52:53,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:52:53,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:52:53,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:52:53,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:52:53,875 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:52:53,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:53,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:53,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:53,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:52:53,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:52:53,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:52:53,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:52:53,942 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: [] [2022-11-25 15:52:53,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:52:53,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:53,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:53,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:53,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:52:53,968 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:52:53,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:52:54,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:52:54,004 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: [] [2022-11-25 15:52:54,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:52:54,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:54,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:54,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:52:54,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:52:54,031 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:52:54,072 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:52:54,072 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=5, ULTIMATE.start_main_~r~0#1=5} Honda state: {ULTIMATE.start_main_#t~nondet0#1=5, ULTIMATE.start_main_~r~0#1=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:52:54,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-25 15:52:54,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:54,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:54,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:52:54,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:52:54,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:52:54,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-25 15:52:54,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:54,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:54,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 15:52:54,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:52:54,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:52:54,395 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 15:52:54,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-25 15:52:54,406 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:52:54,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:52:54,406 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:52:54,406 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:52:54,411 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:52:54,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:52:54,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:52:54,411 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2022-11-25 15:52:54,411 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:52:54,412 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:52:54,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:52:54,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:52:54,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:52:54,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:52:54,587 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:52:54,593 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:52:54,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:54,597 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:54,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 15:52:54,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:52:54,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:52:54,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:52:54,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:52:54,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:52:54,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:52:54,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:52:54,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:52:54,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:52:54,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:54,652 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:54,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 15:52:54,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:52:54,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:52:54,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:52:54,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:52:54,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:52:54,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:52:54,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:52:54,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:52:54,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:52:54,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:54,701 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:54,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 15:52:54,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:52:54,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:52:54,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:52:54,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:52:54,719 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 15:52:54,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:52:54,723 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 15:52:54,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:52:54,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:52:54,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:52:54,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:54,760 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:54,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 15:52:54,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:52:54,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:52:54,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:52:54,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:52:54,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:52:54,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:52:54,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:52:54,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:52:54,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:52:54,834 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-25 15:52:54,834 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 15:52:54,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:52:54,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:54,838 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:54,865 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:52:54,865 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 15:52:54,865 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:52:54,866 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~N~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~N~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-25 15:52:54,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 15:52:54,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:52:54,876 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 15:52:54,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:54,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:52:54,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:52:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:54,946 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:52:54,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:52:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:55,077 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 15:52:55,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-25 15:52:55,139 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Result 28 states and 41 transitions. Complement of second has 5 states. [2022-11-25 15:52:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-25 15:52:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-25 15:52:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-11-25 15:52:55,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-25 15:52:55,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:52:55,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-25 15:52:55,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:52:55,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-25 15:52:55,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:52:55,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions. [2022-11-25 15:52:55,163 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:52:55,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2022-11-25 15:52:55,170 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 15:52:55,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 15:52:55,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 15:52:55,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:55,174 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:52:55,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:52:55,175 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:52:55,175 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:52:55,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:52:55,175 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:52:55,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 15:52:55,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:52:55 BoogieIcfgContainer [2022-11-25 15:52:55,191 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:52:55,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:52:55,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:52:55,214 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:52:55,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:52" (3/4) ... [2022-11-25 15:52:55,218 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:52:55,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:52:55,219 INFO L158 Benchmark]: Toolchain (without parser) took 2960.63ms. Allocated memory is still 180.4MB. Free memory was 146.7MB in the beginning and 148.0MB in the end (delta: -1.4MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2022-11-25 15:52:55,220 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 180.4MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:52:55,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.62ms. Allocated memory is still 180.4MB. Free memory was 146.7MB in the beginning and 137.6MB in the end (delta: 9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 15:52:55,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.11ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 136.3MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:52:55,222 INFO L158 Benchmark]: Boogie Preprocessor took 20.92ms. Allocated memory is still 180.4MB. Free memory was 136.3MB in the beginning and 134.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:52:55,222 INFO L158 Benchmark]: RCFGBuilder took 389.68ms. Allocated memory is still 180.4MB. Free memory was 134.9MB in the beginning and 125.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:52:55,223 INFO L158 Benchmark]: BuchiAutomizer took 2229.33ms. Allocated memory is still 180.4MB. Free memory was 125.9MB in the beginning and 70.5MB in the end (delta: 55.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-25 15:52:55,224 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 180.4MB. Free memory was 148.3MB in the beginning and 148.0MB in the end (delta: 266.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:52:55,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2022-11-25 15:52:55,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 180.4MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.62ms. Allocated memory is still 180.4MB. Free memory was 146.7MB in the beginning and 137.6MB in the end (delta: 9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.11ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 136.3MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.92ms. Allocated memory is still 180.4MB. Free memory was 136.3MB in the beginning and 134.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.68ms. Allocated memory is still 180.4MB. Free memory was 134.9MB in the beginning and 125.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2229.33ms. Allocated memory is still 180.4MB. Free memory was 125.9MB in the beginning and 70.5MB in the end (delta: 55.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 180.4MB. Free memory was 148.3MB in the beginning and 148.0MB in the end (delta: 266.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 15:52:55,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc2285a-6053-478e-a934-0a7a0e6bcfb8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE