./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Mysore-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/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_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/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_4dca654e-7a78-4038-99f4-678a5b2bf73e/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 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 --- 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 20:45:43,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:45:43,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:45:43,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:45:43,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:45:43,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:45:43,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:45:43,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:45:43,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:45:43,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:45:43,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:45:43,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:45:43,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:45:43,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:45:43,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:45:43,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:45:43,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:45:43,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:45:43,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:45:43,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:45:43,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:45:43,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:45:43,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:45:43,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:45:43,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:45:43,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:45:43,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:45:43,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:45:43,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:45:43,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:45:43,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:45:43,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:45:43,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:45:43,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:45:43,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:45:43,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:45:43,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:45:43,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:45:43,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:45:43,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:45:43,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:45:43,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:45:43,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:45:43,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:45:43,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:45:43,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:45:43,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:45:43,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:45:43,882 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:45:43,882 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:45:43,882 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:45:43,882 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:45:43,882 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:45:43,883 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:45:43,883 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:45:43,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:45:43,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:45:43,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:45:43,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:45:43,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:45:43,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:45:43,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:45:43,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:45:43,885 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:45:43,885 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:45:43,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:45:43,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:45:43,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:45:43,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:45:43,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:45:43,887 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:45:43,887 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_4dca654e-7a78-4038-99f4-678a5b2bf73e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 [2022-11-02 20:45:44,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:45:44,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:45:44,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:45:44,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:45:44,209 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:45:44,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted/Mysore-3.c [2022-11-02 20:45:44,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/data/b83a8dd32/bc957efac96d44628a86c9446f2062f9/FLAG20932b44a [2022-11-02 20:45:44,705 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:45:44,706 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/sv-benchmarks/c/termination-crafted/Mysore-3.c [2022-11-02 20:45:44,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/data/b83a8dd32/bc957efac96d44628a86c9446f2062f9/FLAG20932b44a [2022-11-02 20:45:45,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/data/b83a8dd32/bc957efac96d44628a86c9446f2062f9 [2022-11-02 20:45:45,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:45:45,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:45:45,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:45,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:45:45,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:45:45,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcccbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45, skipping insertion in model container [2022-11-02 20:45:45,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:45:45,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:45:45,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:45,314 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:45:45,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:45,340 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:45:45,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45 WrapperNode [2022-11-02 20:45:45,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:45,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:45,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:45:45,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:45:45,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,373 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-02 20:45:45,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:45,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:45:45,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:45:45,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:45:45,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,394 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:45:45,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:45:45,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:45:45,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:45:45,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (1/1) ... [2022-11-02 20:45:45,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:45,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:45,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:45:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:45:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:45:45,558 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:45:45,560 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:45:45,627 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:45:45,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:45:45,633 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:45:45,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:45 BoogieIcfgContainer [2022-11-02 20:45:45,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:45:45,636 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:45:45,636 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:45:45,640 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:45:45,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:45:45,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:45:45" (1/3) ... [2022-11-02 20:45:45,642 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@366eb723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:45:45, skipping insertion in model container [2022-11-02 20:45:45,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:45:45,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:45" (2/3) ... [2022-11-02 20:45:45,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@366eb723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:45:45, skipping insertion in model container [2022-11-02 20:45:45,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:45:45,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:45" (3/3) ... [2022-11-02 20:45:45,645 INFO L332 chiAutomizerObserver]: Analyzing ICFG Mysore-3.c [2022-11-02 20:45:45,699 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:45:45,699 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:45:45,699 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:45:45,699 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:45:45,699 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:45:45,700 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:45:45,700 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:45:45,700 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:45:45,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 20:45:45,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:45:45,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:45,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:45,728 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:45:45,728 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:45:45,729 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:45:45,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 20:45:45,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:45:45,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:45:45,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:45:45,731 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:45:45,731 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:45:45,739 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#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_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L18true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 9#L19true assume !!(-65535 <= main_~c~0#1 && main_~c~0#1 <= 65535); 10#L20true assume main_~c~0#1 < 0; 5#L21-2true [2022-11-02 20:45:45,739 INFO L750 eck$LassoCheckResult]: Loop: 5#L21-2true assume !!(main_~x~0#1 + main_~c~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~c~0#1;main_~c~0#1 := main_~c~0#1 - 1; 5#L21-2true [2022-11-02 20:45:45,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:45,745 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2022-11-02 20:45:45,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:45,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541251839] [2022-11-02 20:45:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:45,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:45,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:45,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:45,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:45,847 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2022-11-02 20:45:45,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:45,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249092928] [2022-11-02 20:45:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:45,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:45,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:45,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:45,864 INFO L85 PathProgramCache]: Analyzing trace with hash 889571281, now seen corresponding path program 1 times [2022-11-02 20:45:45,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:45,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641430975] [2022-11-02 20:45:45,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:45,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:45,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:45:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:45:45,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:45:45,963 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:45,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:45,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:45,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:45,964 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:45:45,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:45,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:45,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:45,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-3.c_Iteration1_Loop [2022-11-02 20:45:45,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:45,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:45,998 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 20:45:46,036 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 20:45:46,046 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 20:45:46,156 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:46,156 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:45:46,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:46,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:46,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:46,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:46,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:46,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:45:46,216 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:46,216 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: [] [2022-11-02 20:45:46,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:46,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:46,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:46,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:46,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:45:46,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:46,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:46,271 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:46,271 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: [] [2022-11-02 20:45:46,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:46,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:46,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:46,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:46,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:45:46,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:46,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:46,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:46,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:46,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:46,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:46,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:45:46,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:45:46,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:46,479 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:46,479 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=7, ULTIMATE.start_main_~c~0#1=-7} Honda state: {ULTIMATE.start_main_~x~0#1=7, ULTIMATE.start_main_~c~0#1=-7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~c~0#1=-1}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~x~0#1=5, ULTIMATE.start_main_~c~0#1=0}] Lambdas: [1, 1, 1] Nus: [1, 0] [2022-11-02 20:45:46,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-02 20:45:46,587 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:45:46,587 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:45:46,587 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:45:46,588 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:45:46,588 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:45:46,588 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:46,588 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:45:46,588 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:45:46,588 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-3.c_Iteration1_Lasso [2022-11-02 20:45:46,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:45:46,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:45:46,591 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 20:45:46,614 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 20:45:46,618 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 20:45:46,621 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 20:45:46,640 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 20:45:46,643 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 20:45:46,798 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:45:46,798 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:45:46,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:46,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:46,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:45:46,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:46,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:46,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:46,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:46,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:46,865 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:46,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:45:46,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:45:46,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:57,523 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:57,524 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0, ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=-49153, ULTIMATE.start_main_~x~0#1=49153} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=-1, ULTIMATE.start_main_~x~0#1=49152}, {ULTIMATE.start_main_~c~0#1=0, ULTIMATE.start_main_~x~0#1=1}, {ULTIMATE.start_main_~c~0#1=0, ULTIMATE.start_main_~x~0#1=0}] Lambdas: [1, 1, 65538] Nus: [1, 0] [2022-11-02 20:45:57,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:57,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:57,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:57,554 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:57,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:45:57,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:57,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:57,577 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:57,577 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:45:57,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-02 20:45:57,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:57,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:57,617 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:57,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:57,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:57,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:45:57,651 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:57,651 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:45:57,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:57,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:57,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:57,692 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:57,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:45:57,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:57,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:57,723 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:57,723 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:45:57,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:57,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:57,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:57,764 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:57,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:57,771 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:57,794 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:57,794 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:45:57,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:45:57,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:57,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:45:57,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:57,822 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:57,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:45:57,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:45:57,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:45:57,836 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:45:57,837 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:45:57,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:45:57,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,873 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:45:57,873 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,874 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:45:57,874 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,874 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:45:57,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:45:57 BoogieIcfgContainer [2022-11-02 20:45:57,893 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:45:57,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:45:57,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:45:57,894 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:45:57,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:45" (3/4) ... [2022-11-02 20:45:57,897 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:45:57,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:45:57,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:45:57,927 INFO L158 Benchmark]: Toolchain (without parser) took 12820.48ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 63.0MB in the end (delta: -793.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:45:57,928 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:45:57,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.84ms. Allocated memory is still 98.6MB. Free memory was 62.0MB in the beginning and 77.0MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:45:57,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.32ms. Allocated memory is still 98.6MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:45:57,930 INFO L158 Benchmark]: Boogie Preprocessor took 24.99ms. Allocated memory is still 98.6MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:45:57,930 INFO L158 Benchmark]: RCFGBuilder took 234.51ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 66.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:45:57,931 INFO L158 Benchmark]: BuchiAutomizer took 12256.72ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-11-02 20:45:57,931 INFO L158 Benchmark]: Witness Printer took 31.73ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 63.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:45:57,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.84ms. Allocated memory is still 98.6MB. Free memory was 62.0MB in the beginning and 77.0MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.32ms. Allocated memory is still 98.6MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.99ms. Allocated memory is still 98.6MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 234.51ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 66.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 12256.72ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Witness Printer took 31.73ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 63.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 12.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax153 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf103 neg100 sie102 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 11.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 21]: Nontermination argument in form of an infinite program execution. [2022-11-02 20:45:57,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:45:57,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:45:57,945 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,945 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:45:57,945 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,946 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:45:57,946 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,946 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:45:57,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:45:57,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@450e186d=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fd73931=0, ~unnamed0~0~false=0, c=0} State at position 1 is {x=49153, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@450e186d=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fd73931=0, ~unnamed0~0~false=0, c=-49153} For i>1, the state at position i is {x=49153 + sum_{k=0}^i 49152 + 1 + 1*k, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@450e186d=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fd73931=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, c=-49153 + sum_{k=0}^i -1} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [1, 1, 65538] Mus: [1, 0] - NonterminatingLassoResult [Line: 21]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x; [L14] int c; [L15] x = __VERIFIER_nondet_int() [L16] c = __VERIFIER_nondet_int() [L18] COND FALSE !(!(-65535<=x && x<=65535)) [L19] COND FALSE !(!(-65535<=c && c<=65535)) [L20] COND TRUE c < 0 Loop: [L21] COND TRUE x + c >= 0 [L22] x = x - c [L23] c = c - 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:45:57,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dca654e-7a78-4038-99f4-678a5b2bf73e/bin/uautomizer-Dbtcem3rbc/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)