./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 4e7fbc69 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_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-02-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS --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-4e7fbc6 [2022-11-23 03:48:23,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:48:23,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:48:23,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:48:23,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:48:23,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:48:23,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:48:23,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:48:23,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:48:23,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:48:23,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:48:23,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:48:23,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:48:23,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:48:23,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:48:23,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:48:23,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:48:23,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:48:23,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:48:23,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:48:23,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:48:23,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:48:23,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:48:23,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:48:23,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:48:23,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:48:23,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:48:23,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:48:23,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:48:23,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:48:23,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:48:23,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:48:23,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:48:23,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:48:23,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:48:23,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:48:23,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:48:23,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:48:23,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:48:23,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:48:23,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:48:23,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-23 03:48:23,994 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:48:23,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:48:23,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:48:23,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:48:23,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:48:23,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:48:23,997 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:48:23,997 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 03:48:23,998 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 03:48:23,998 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 03:48:23,998 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 03:48:23,998 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 03:48:23,999 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 03:48:23,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:48:23,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:48:23,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:48:24,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:48:24,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 03:48:24,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 03:48:24,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 03:48:24,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:48:24,001 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 03:48:24,001 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:48:24,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 03:48:24,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:48:24,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:48:24,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:48:24,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:48:24,004 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 03:48:24,004 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_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 558fefc48ea7e5510649f62ef741167490643b2b82a9234d3e5e6ab586beb6c7 [2022-11-23 03:48:24,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:48:24,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:48:24,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:48:24,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:48:24,303 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:48:24,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-bwb/or-02-false.c [2022-11-23 03:48:27,428 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:48:27,637 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:48:27,638 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/sv-benchmarks/c/termination-bwb/or-02-false.c [2022-11-23 03:48:27,644 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/data/41079e230/937e9ea57ee1450babc8d992d535f251/FLAG7b62bbc71 [2022-11-23 03:48:27,660 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/data/41079e230/937e9ea57ee1450babc8d992d535f251 [2022-11-23 03:48:27,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:48:27,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:48:27,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:48:27,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:48:27,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:48:27,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc40dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27, skipping insertion in model container [2022-11-23 03:48:27,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:48:27,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:48:27,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:48:27,872 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:48:27,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:48:27,897 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:48:27,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27 WrapperNode [2022-11-23 03:48:27,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:48:27,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:48:27,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:48:27,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:48:27,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,932 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-23 03:48:27,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:48:27,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:48:27,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:48:27,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:48:27,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:48:27,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:48:27,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:48:27,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:48:27,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (1/1) ... [2022-11-23 03:48:27,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:27,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:27,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:28,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 03:48:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:48:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:48:28,109 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:48:28,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:48:28,250 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:48:28,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:48:28,258 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 03:48:28,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:28 BoogieIcfgContainer [2022-11-23 03:48:28,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:48:28,262 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 03:48:28,262 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 03:48:28,266 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 03:48:28,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:48:28,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:48:27" (1/3) ... [2022-11-23 03:48:28,269 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2426898d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:48:28, skipping insertion in model container [2022-11-23 03:48:28,269 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:48:28,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:27" (2/3) ... [2022-11-23 03:48:28,272 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2426898d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:48:28, skipping insertion in model container [2022-11-23 03:48:28,272 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:48:28,273 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:28" (3/3) ... [2022-11-23 03:48:28,277 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-02-false.c [2022-11-23 03:48:28,365 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 03:48:28,366 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 03:48:28,366 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 03:48:28,366 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 03:48:28,366 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 03:48:28,367 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 03:48:28,367 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 03:48:28,367 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 03:48:28,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-23 03:48:28,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 03:48:28,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:48:28,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:48:28,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 03:48:28,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 03:48:28,399 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 03:48:28,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-23 03:48:28,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 03:48:28,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:48:28,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:48:28,402 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 03:48:28,402 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 03:48:28,411 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_~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 [2022-11-23 03:48:28,411 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 > 0);main_~b~0#1 := 1 + main_~b~0#1; 5#L21true assume 0 == main_~b~0#1 || 1 == main_~b~0#1;main_#t~nondet1#1 := 1; 7#L21-4true main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~b~0#1; 2#L19-2true [2022-11-23 03:48:28,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:28,423 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-23 03:48:28,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:48:28,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804350784] [2022-11-23 03:48:28,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:48:28,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:48:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:28,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:48:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:28,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:48:28,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:28,555 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-11-23 03:48:28,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:48:28,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727291780] [2022-11-23 03:48:28,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:48:28,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:48:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:28,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:48:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:28,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:48:28,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:28,595 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-11-23 03:48:28,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:48:28,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758394968] [2022-11-23 03:48:28,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:48:28,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:48:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:48:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:48:28,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:48:28,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758394968] [2022-11-23 03:48:28,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758394968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:48:28,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:48:28,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:48:28,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850341901] [2022-11-23 03:48:28,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:48:28,909 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:48:28,910 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:48:28,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:48:28,910 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:48:28,911 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 03:48:28,911 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:28,911 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:48:28,911 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:48:28,911 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration1_Loop [2022-11-23 03:48:28,911 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:48:28,912 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:48:28,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:28,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:29,121 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:48:29,123 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 03:48:29,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:29,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:29,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:29,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 03:48:29,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:48:29,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:29,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:29,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:29,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:29,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:29,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 03:48:29,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:29,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 03:48:29,242 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 03:48:29,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:29,247 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:48:29,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:48:29,248 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:48:29,248 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:48:29,248 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:48:29,248 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:29,248 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:48:29,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:48:29,248 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration1_Loop [2022-11-23 03:48:29,249 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:48:29,249 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:48:29,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:29,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:29,366 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:48:29,371 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:48:29,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:29,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:29,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:29,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 03:48:29,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:48:29,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:48:29,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:48:29,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:48:29,412 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 03:48:29,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:48:29,417 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 03:48:29,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:48:29,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:48:29,439 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-23 03:48:29,439 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-23 03:48:29,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:29,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:29,468 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:29,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 03:48:29,470 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:48:29,470 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-23 03:48:29,471 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:48:29,471 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~b~0#1) = -2*ULTIMATE.start_main_~b~0#1 + 1 Supporting invariants [] [2022-11-23 03:48:29,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:29,481 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-23 03:48:29,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:48:29,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:48:29,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:48:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:48:29,568 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:48:29,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:48:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:48:29,687 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:48:29,689 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-23 03:48:29,766 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 46 transitions. Complement of second has 8 states. [2022-11-23 03:48:29,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 03:48:29,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-23 03:48:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-11-23 03:48:29,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-23 03:48:29,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:48:29,776 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-23 03:48:29,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:48:29,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:48:29,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:48:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:48:29,808 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:48:29,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:48:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:48:29,896 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:48:29,896 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-23 03:48:29,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 49 transitions. Complement of second has 10 states. [2022-11-23 03:48:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-23 03:48:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-23 03:48:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-11-23 03:48:29,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-23 03:48:29,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:48:29,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-23 03:48:29,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:48:29,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-23 03:48:29,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:48:29,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2022-11-23 03:48:29,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 03:48:29,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 13 states and 17 transitions. [2022-11-23 03:48:29,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-23 03:48:29,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-23 03:48:29,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-23 03:48:29,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:48:29,977 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-23 03:48:29,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-23 03:48:30,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-11-23 03:48:30,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-11-23 03:48:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-11-23 03:48:30,003 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-11-23 03:48:30,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:48:30,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:48:30,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:48:30,007 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-23 03:48:30,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:48:30,030 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2022-11-23 03:48:30,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2022-11-23 03:48:30,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 03:48:30,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 10 states and 11 transitions. [2022-11-23 03:48:30,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-23 03:48:30,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-23 03:48:30,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2022-11-23 03:48:30,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:48:30,032 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-23 03:48:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2022-11-23 03:48:30,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2022-11-23 03:48:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 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) [2022-11-23 03:48:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-11-23 03:48:30,033 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-23 03:48:30,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:48:30,034 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-23 03:48:30,035 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 03:48:30,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-11-23 03:48:30,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 03:48:30,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:48:30,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:48:30,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-23 03:48:30,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-23 03:48:30,036 INFO L748 eck$LassoCheckResult]: Stem: 180#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 181#L-1 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_~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; 178#L19-2 assume !!(main_~x~0#1 > 0);main_~b~0#1 := 1 + main_~b~0#1; 179#L21 assume !(0 == main_~b~0#1 || 1 == main_~b~0#1); 182#L21-2 [2022-11-23 03:48:30,036 INFO L750 eck$LassoCheckResult]: Loop: 182#L21-2 assume !false;main_#t~nondet1#1 := ~bitwiseOr(main_~b~0#1, 1);assume main_~b~0#1 < 0 || (main_#t~nondet1#1 >= main_~b~0#1 && main_#t~nondet1#1 >= 1);assume main_~b~0#1 >= 0 || main_#t~nondet1#1 < 0;assume main_~b~0#1 < 0 || main_#t~nondet1#1 <= 1 + main_~b~0#1; 183#L21-4 main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~b~0#1; 184#L19-2 assume !!(main_~x~0#1 > 0);main_~b~0#1 := 1 + main_~b~0#1; 185#L21 assume !(0 == main_~b~0#1 || 1 == main_~b~0#1); 182#L21-2 [2022-11-23 03:48:30,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:30,037 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-23 03:48:30,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:48:30,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856050800] [2022-11-23 03:48:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:48:30,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:48:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:30,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:48:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:30,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:48:30,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:30,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1571592, now seen corresponding path program 1 times [2022-11-23 03:48:30,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:48:30,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007745965] [2022-11-23 03:48:30,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:48:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:48:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:30,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:48:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:30,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:48:30,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:48:30,070 INFO L85 PathProgramCache]: Analyzing trace with hash 297897967, now seen corresponding path program 1 times [2022-11-23 03:48:30,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:48:30,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730381662] [2022-11-23 03:48:30,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:48:30,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:48:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:30,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:48:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:48:30,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:48:30,254 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:48:30,255 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:48:30,255 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:48:30,255 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:48:30,255 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 03:48:30,255 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:30,255 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:48:30,255 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:48:30,256 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration2_Loop [2022-11-23 03:48:30,256 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:48:30,256 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:48:30,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:30,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:30,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:48:30,457 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 03:48:30,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:30,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:30,459 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:30,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:48:30,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:30,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 03:48:30,496 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 03:48:30,496 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: [] [2022-11-23 03:48:30,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:30,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:30,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:30,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:30,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 03:48:30,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:48:30,513 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:30,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:30,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:30,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:30,548 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:30,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 03:48:30,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 03:48:30,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:30,824 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 03:48:30,825 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-7, ULTIMATE.start_main_~b~0#1=7} Honda state: {ULTIMATE.start_main_~x~0#1=-7, ULTIMATE.start_main_~b~0#1=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~b~0#1=2}, {ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=4, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 1, 1] Nus: [1, 0] [2022-11-23 03:48:30,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:30,861 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:48:30,861 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:48:30,861 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:48:30,861 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:48:30,861 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 03:48:30,861 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:30,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:48:30,862 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:48:30,862 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration2_Lasso [2022-11-23 03:48:30,862 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:48:30,862 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:48:30,865 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:30,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:30,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:30,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:48:31,066 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:48:31,067 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 03:48:31,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:31,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:31,068 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:31,084 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:48:31,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:31,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 03:48:31,107 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 03:48:31,107 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: [] [2022-11-23 03:48:31,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:31,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:31,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:31,117 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:31,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:48:31,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:31,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 03:48:31,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:31,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:31,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:31,162 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:31,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 03:48:31,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 03:48:31,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:31,648 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 03:48:31,648 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=16, ULTIMATE.start_main_~b~0#1=31} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=15, ULTIMATE.start_main_~b~0#1=1}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=15, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 1, 1] Nus: [1, 0] [2022-11-23 03:48:31,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:31,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:31,654 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:31,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 03:48:31,657 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:48:31,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:31,670 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 03:48:31,670 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: [] [2022-11-23 03:48:31,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-23 03:48:31,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:48:31,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:48:31,677 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:48:31,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 03:48:31,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:48:31,680 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:48:31,692 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 03:48:31,692 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: [] [2022-11-23 03:48:31,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-23 03:48:31,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:48:31 BoogieIcfgContainer [2022-11-23 03:48:31,708 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 03:48:31,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:48:31,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:48:31,709 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:48:31,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:28" (3/4) ... [2022-11-23 03:48:31,713 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:48:31,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:48:31,714 INFO L158 Benchmark]: Toolchain (without parser) took 4049.36ms. Allocated memory is still 180.4MB. Free memory was 142.5MB in the beginning and 74.2MB in the end (delta: 68.4MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2022-11-23 03:48:31,714 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:48:31,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.01ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 132.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 03:48:31,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.64ms. Allocated memory is still 180.4MB. Free memory was 132.9MB in the beginning and 131.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:48:31,716 INFO L158 Benchmark]: Boogie Preprocessor took 21.24ms. Allocated memory is still 180.4MB. Free memory was 131.4MB in the beginning and 130.8MB in the end (delta: 608.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:48:31,716 INFO L158 Benchmark]: RCFGBuilder took 305.67ms. Allocated memory is still 180.4MB. Free memory was 130.8MB in the beginning and 121.6MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 03:48:31,717 INFO L158 Benchmark]: BuchiAutomizer took 3446.22ms. Allocated memory is still 180.4MB. Free memory was 121.6MB in the beginning and 75.1MB in the end (delta: 46.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-11-23 03:48:31,717 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 180.4MB. Free memory was 75.1MB in the beginning and 74.2MB in the end (delta: 983.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:48:31,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.01ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 132.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.64ms. Allocated memory is still 180.4MB. Free memory was 132.9MB in the beginning and 131.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.24ms. Allocated memory is still 180.4MB. Free memory was 131.4MB in the beginning and 130.8MB in the end (delta: 608.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.67ms. Allocated memory is still 180.4MB. Free memory was 130.8MB in the beginning and 121.6MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3446.22ms. Allocated memory is still 180.4MB. Free memory was 121.6MB in the beginning and 75.1MB in the end (delta: 46.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 180.4MB. Free memory was 75.1MB in the beginning and 74.2MB in the end (delta: 983.8kB). 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 Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function -2 * b + 1 and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. 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, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 18 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital35 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf96 smp100 dnf519 smp55 tf102 neg98 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 98ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: b = b|1 [21] (Reason bitwiseOr) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "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_~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;" "assume !!(main_~x~0#1 > 0);main_~b~0#1 := 1 + main_~b~0#1;" "assume !(0 == main_~b~0#1 || 1 == main_~b~0#1);" Loop: "assume !false;main_#t~nondet1#1 := ~bitwiseOr(main_~b~0#1, 1);assume main_~b~0#1 < 0 || (main_#t~nondet1#1 >= main_~b~0#1 && main_#t~nondet1#1 >= 1);assume main_~b~0#1 >= 0 || main_#t~nondet1#1 < 0;assume main_~b~0#1 < 0 || main_#t~nondet1#1 <= 1 + main_~b~0#1;" "main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~b~0#1;" "assume !!(main_~x~0#1 > 0);main_~b~0#1 := 1 + main_~b~0#1;" "assume !(0 == main_~b~0#1 || 1 == main_~b~0#1);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-23 03:48:31,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 03:48:31,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c1eae2-de85-4ce2-be82-0561f49a6437/bin/uautomizer-QkZJyEgLgS/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN