./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-02-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/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_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-02-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/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_4964e680-3192-471d-898a-e947eb613272/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 558fefc48ea7e5510649f62ef741167490643b2b82a9234d3e5e6ab586beb6c7 --- 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 20:58:54,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:58:54,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:58:54,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:58:54,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:58:54,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:58:54,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:58:54,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:58:54,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:58:54,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:58:54,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:58:54,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:58:54,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:58:54,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:58:54,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:58:54,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:58:54,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:58:54,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:58:54,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:58:54,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:58:54,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:58:54,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:58:54,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:58:54,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:58:54,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:58:54,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:58:54,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:58:54,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:58:54,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:58:54,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:58:54,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:58:54,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:58:54,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:58:54,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:58:54,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:58:54,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:58:54,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:58:54,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:58:54,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:58:54,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:58:54,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:58:54,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:58:54,936 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:58:54,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:58:54,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:58:54,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:58:54,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:58:54,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:58:54,939 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:58:54,940 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:58:54,940 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:58:54,940 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:58:54,941 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:58:54,941 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:58:54,942 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:58:54,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:58:54,942 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:58:54,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:58:54,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:58:54,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:58:54,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:58:54,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:58:54,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:58:54,943 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:58:54,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:58:54,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:58:54,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:58:54,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:58:54,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:58:54,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:58:54,946 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:58:54,946 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_4964e680-3192-471d-898a-e947eb613272/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 558fefc48ea7e5510649f62ef741167490643b2b82a9234d3e5e6ab586beb6c7 [2022-11-02 20:58:55,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:58:55,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:58:55,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:58:55,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:58:55,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:58:55,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-bwb/or-02-false.c [2022-11-02 20:58:55,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/data/d1bb9764b/8df5fa6f29444d62822cefcd7d833a32/FLAG15182e538 [2022-11-02 20:58:56,041 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:58:56,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/sv-benchmarks/c/termination-bwb/or-02-false.c [2022-11-02 20:58:56,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/data/d1bb9764b/8df5fa6f29444d62822cefcd7d833a32/FLAG15182e538 [2022-11-02 20:58:56,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/data/d1bb9764b/8df5fa6f29444d62822cefcd7d833a32 [2022-11-02 20:58:56,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:58:56,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:58:56,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:56,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:58:56,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:58:56,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166c90e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56, skipping insertion in model container [2022-11-02 20:58:56,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:58:56,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:58:56,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:56,690 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:58:56,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:56,723 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:58:56,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56 WrapperNode [2022-11-02 20:58:56,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:56,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:56,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:58:56,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:58:56,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,771 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-02 20:58:56,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:56,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:58:56,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:58:56,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:58:56,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,796 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:58:56,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:58:56,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:58:56,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:58:56,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (1/1) ... [2022-11-02 20:58:56,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:58:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:58:56,987 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:58:56,991 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:58:57,104 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:58:57,115 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:58:57,116 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:58:57,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:57 BoogieIcfgContainer [2022-11-02 20:58:57,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:58:57,121 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:58:57,121 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:58:57,128 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:58:57,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:57,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:58:56" (1/3) ... [2022-11-02 20:58:57,132 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e361dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:58:57, skipping insertion in model container [2022-11-02 20:58:57,133 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:57,133 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:56" (2/3) ... [2022-11-02 20:58:57,134 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e361dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:58:57, skipping insertion in model container [2022-11-02 20:58:57,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:57,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:57" (3/3) ... [2022-11-02 20:58:57,136 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-02-false.c [2022-11-02 20:58:57,226 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:58:57,226 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:58:57,227 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:58:57,227 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:58:57,227 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:58:57,227 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:58:57,228 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:58:57,229 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:58:57,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:57,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:58:57,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:57,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:57,282 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:58:57,283 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:58:57,283 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:58:57,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:58:57,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:58:57,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:57,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:57,285 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:58:57,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:58:57,296 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~b~0#1, main_~x~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2#L19-2true [2022-11-02 20:58:57,296 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 > 0);main_~b~0#1 := 1 + main_~b~0#1;main_~b~0#1 := 1;main_~x~0#1 := main_~x~0#1 + main_~b~0#1; 2#L19-2true [2022-11-02 20:58:57,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:57,304 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:58:57,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:57,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019660139] [2022-11-02 20:58:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:57,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:57,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-02 20:58:57,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:57,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267631065] [2022-11-02 20:58:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:57,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:57,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:57,550 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-02 20:58:57,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:57,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878903848] [2022-11-02 20:58:57,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:57,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:57,677 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:57,678 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:57,678 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:57,678 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:57,678 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:57,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:57,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:57,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:57,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration1_Loop [2022-11-02 20:58:57,679 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:57,680 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:57,717 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 20:58:57,815 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:57,816 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:57,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:57,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:57,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:57,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:57,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:57,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:58:57,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:57,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:57,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:57,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:57,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:58:57,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:57,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:58:57,980 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:57,980 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=-1}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=1}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 0, 11] Nus: [1, 1] [2022-11-02 20:58:58,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:58,035 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:58,035 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:58,036 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:58,036 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:58,036 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:58,036 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,036 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:58,037 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:58,037 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration1_Lasso [2022-11-02 20:58:58,037 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:58,037 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:58,039 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 20:58:58,058 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 20:58:58,063 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 20:58:58,122 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:58,122 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:58,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:58,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:58,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:58,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:58,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:58:58,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:58,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:58,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:58,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:58:58,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:58:58,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:58,527 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:58,527 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=30} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=-29}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 0, 56] Nus: [0, 0] [2022-11-02 20:58:58,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:58,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:58,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:58,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:58:58,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:58,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:58,598 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:58,599 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 20:58:58,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:58,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:58,645 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:58,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:58:58,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:58,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:58,664 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:58,664 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 20:58:58,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 20:58:58,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:58:58 BoogieIcfgContainer [2022-11-02 20:58:58,712 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:58:58,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:58:58,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:58:58,713 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:58:58,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:57" (3/4) ... [2022-11-02 20:58:58,717 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:58:58,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:58:58,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:58:58,763 INFO L158 Benchmark]: Toolchain (without parser) took 2342.70ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 94.0MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:58,771 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:58,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.37ms. Allocated memory is still 121.6MB. Free memory was 88.5MB in the beginning and 98.6MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:58:58,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.32ms. Allocated memory is still 121.6MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:58,774 INFO L158 Benchmark]: Boogie Preprocessor took 24.29ms. Allocated memory is still 121.6MB. Free memory was 97.4MB in the beginning and 96.5MB in the end (delta: 868.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:58,775 INFO L158 Benchmark]: RCFGBuilder took 319.15ms. Allocated memory is still 121.6MB. Free memory was 96.5MB in the beginning and 88.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:58:58,776 INFO L158 Benchmark]: BuchiAutomizer took 1591.53ms. Allocated memory is still 121.6MB. Free memory was 88.6MB in the beginning and 95.9MB in the end (delta: -7.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-11-02 20:58:58,779 INFO L158 Benchmark]: Witness Printer took 47.88ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 94.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:58,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.37ms. Allocated memory is still 121.6MB. Free memory was 88.5MB in the beginning and 98.6MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.32ms. Allocated memory is still 121.6MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.29ms. Allocated memory is still 121.6MB. Free memory was 97.4MB in the beginning and 96.5MB in the end (delta: 868.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.15ms. Allocated memory is still 121.6MB. Free memory was 96.5MB in the beginning and 88.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1591.53ms. Allocated memory is still 121.6MB. Free memory was 88.6MB in the beginning and 95.9MB in the end (delta: -7.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Witness Printer took 47.88ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 94.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 1.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf92 smp100 dnf100 smp100 tf104 neg100 sie108 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 19]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@542395f9=0, \result=0, b=0} State at position 1 is {x=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@542395f9=0, \result=0, b=30} For i>1, the state at position i is {x=1 + sum_{k=0}^i 1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@542395f9=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, b=30 + sum_{k=0}^i -29*0^k} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [1, 0, 56] Mus: [0, 0] - NonterminatingLassoResult [Line: 19]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L14] int b; [L15] int x; [L16] b = 30 [L17] x = __VERIFIER_nondet_int() Loop: [L19] COND TRUE x>0 [L20] b= b+1 [L21] b = b|1 [L22] x= x+b End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:58:58,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964e680-3192-471d-898a-e947eb613272/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)