./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 b5237d83 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_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-02-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 16:54:21,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:54:21,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:54:21,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:54:21,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:54:21,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:54:21,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:54:21,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:54:21,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:54:21,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:54:21,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:54:21,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:54:21,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:54:21,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:54:21,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:54:21,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:54:21,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:54:21,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:54:21,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:54:21,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:54:21,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:54:21,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:54:21,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:54:21,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:54:21,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:54:21,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:54:21,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:54:21,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:54:21,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:54:21,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:54:21,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:54:21,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:54:21,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:54:21,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:54:21,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:54:21,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:54:21,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:54:21,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:54:21,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:54:21,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:54:21,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:54:21,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 16:54:21,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:54:21,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:54:21,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:54:21,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:54:21,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:54:21,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:54:21,988 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:54:21,988 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:54:21,988 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:54:21,989 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:54:21,990 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:54:21,990 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:54:21,991 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:54:21,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:54:21,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:54:21,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:54:21,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:54:21,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:54:21,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:54:21,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:54:21,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:54:21,993 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:54:21,993 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:54:21,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:54:21,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:54:21,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:54:21,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:54:21,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:54:21,996 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:54:21,996 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_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 558fefc48ea7e5510649f62ef741167490643b2b82a9234d3e5e6ab586beb6c7 [2022-11-21 16:54:22,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:54:22,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:54:22,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:54:22,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:54:22,473 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:54:22,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-bwb/or-02-false.c [2022-11-21 16:54:26,348 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:54:26,657 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:54:26,659 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/sv-benchmarks/c/termination-bwb/or-02-false.c [2022-11-21 16:54:26,671 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/data/491a5dff2/44b192c63ed04d98a529af256c4c24cb/FLAG0e5e3fd47 [2022-11-21 16:54:26,699 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/data/491a5dff2/44b192c63ed04d98a529af256c4c24cb [2022-11-21 16:54:26,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:54:26,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:54:26,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:54:26,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:54:26,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:54:26,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:54:26" (1/1) ... [2022-11-21 16:54:26,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c6853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:26, skipping insertion in model container [2022-11-21 16:54:26,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:54:26" (1/1) ... [2022-11-21 16:54:26,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:54:26,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:54:26,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:54:26,967 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:54:26,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:54:27,004 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:54:27,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27 WrapperNode [2022-11-21 16:54:27,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:54:27,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:54:27,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:54:27,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:54:27,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,049 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-21 16:54:27,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:54:27,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:54:27,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:54:27,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:54:27,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,078 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:54:27,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:54:27,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:54:27,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:54:27,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (1/1) ... [2022-11-21 16:54:27,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:27,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:27,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:27,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:54:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:54:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:54:27,276 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:54:27,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:54:27,427 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:54:27,439 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:54:27,439 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:54:27,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:27 BoogieIcfgContainer [2022-11-21 16:54:27,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:54:27,444 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:54:27,444 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:54:27,451 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:54:27,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:54:27,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:54:26" (1/3) ... [2022-11-21 16:54:27,455 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@674c471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:54:27, skipping insertion in model container [2022-11-21 16:54:27,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:54:27,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:27" (2/3) ... [2022-11-21 16:54:27,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@674c471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:54:27, skipping insertion in model container [2022-11-21 16:54:27,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:54:27,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:27" (3/3) ... [2022-11-21 16:54:27,464 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-02-false.c [2022-11-21 16:54:27,537 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:54:27,537 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:54:27,537 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:54:27,537 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:54:27,538 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:54:27,538 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:54:27,538 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:54:27,539 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:54:27,544 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) [2022-11-21 16:54:27,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:54:27,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:54:27,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:54:27,577 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:54:27,577 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:54:27,578 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:54:27,578 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) [2022-11-21 16:54:27,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:54:27,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:54:27,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:54:27,580 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:54:27,581 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:54:27,590 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 [2022-11-21 16:54:27,591 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 [2022-11-21 16:54:27,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:27,599 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-21 16:54:27,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:27,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923186227] [2022-11-21 16:54:27,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:27,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:27,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:54:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:27,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:54:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:27,740 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-11-21 16:54:27,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:27,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412809874] [2022-11-21 16:54:27,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:27,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:27,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:54:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:27,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:54:27,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:27,769 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-11-21 16:54:27,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:27,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123281641] [2022-11-21 16:54:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:27,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:54:27,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:27,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123281641] [2022-11-21 16:54:27,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123281641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:27,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:27,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:54:27,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338106658] [2022-11-21 16:54:27,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:28,033 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:54:28,034 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:54:28,034 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:54:28,034 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:54:28,035 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:54:28,035 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:28,035 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:54:28,036 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:54:28,036 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration1_Loop [2022-11-21 16:54:28,036 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:54:28,037 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:54:28,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:28,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:28,252 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:54:28,253 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:54:28,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:28,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:28,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:28,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:54:28,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:28,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:54:28,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:28,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:28,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:28,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:28,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:54:28,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:54:28,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:28,438 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:54:28,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:28,445 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:54:28,446 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:54:28,446 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:54:28,446 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:54:28,446 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:54:28,446 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:28,446 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:54:28,447 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:54:28,447 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration1_Loop [2022-11-21 16:54:28,447 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:54:28,447 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:54:28,450 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:28,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:28,572 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:54:28,578 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:54:28,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:28,582 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:28,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:54:28,596 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 [2022-11-21 16:54:28,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:54:28,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:54:28,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:54:28,615 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:54:28,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:54:28,627 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:54:28,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:54:28,641 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:54:28,653 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 16:54:28,653 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 16:54:28,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:28,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:28,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:28,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:54:28,693 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:54:28,693 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 16:54:28,694 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:54:28,695 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 [] [2022-11-21 16:54:28,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:28,705 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 16:54:28,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:28,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:54:28,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:54:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:28,787 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:54:28,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:54:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:54:28,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:28,968 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 [2022-11-21 16:54:28,970 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) [2022-11-21 16:54:29,122 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. [2022-11-21 16:54:29,126 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 [2022-11-21 16:54:29,133 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) [2022-11-21 16:54:29,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-11-21 16:54:29,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-21 16:54:29,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:54:29,139 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 16:54:29,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:29,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:54:29,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:54:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:29,195 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:54:29,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:54:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:54:29,263 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 [2022-11-21 16:54:29,264 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) [2022-11-21 16:54:29,337 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. [2022-11-21 16:54:29,338 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 [2022-11-21 16:54:29,339 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) [2022-11-21 16:54:29,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-11-21 16:54:29,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-21 16:54:29,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:54:29,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-21 16:54:29,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:54:29,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-21 16:54:29,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:54:29,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2022-11-21 16:54:29,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:54:29,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 13 states and 17 transitions. [2022-11-21 16:54:29,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-21 16:54:29,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-21 16:54:29,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-21 16:54:29,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:54:29,355 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-21 16:54:29,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-21 16:54:29,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-11-21 16:54:29,384 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) [2022-11-21 16:54:29,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-11-21 16:54:29,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-11-21 16:54:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:29,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:54:29,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:54:29,390 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) [2022-11-21 16:54:29,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:29,418 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2022-11-21 16:54:29,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2022-11-21 16:54:29,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:54:29,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 10 states and 11 transitions. [2022-11-21 16:54:29,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-21 16:54:29,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-21 16:54:29,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2022-11-21 16:54:29,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:54:29,421 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-21 16:54:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2022-11-21 16:54:29,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2022-11-21 16:54:29,423 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) [2022-11-21 16:54:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-11-21 16:54:29,423 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-21 16:54:29,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:54:29,425 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-21 16:54:29,425 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:54:29,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-11-21 16:54:29,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:54:29,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:54:29,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:54:29,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 16:54:29,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-21 16:54:29,428 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 [2022-11-21 16:54:29,428 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 [2022-11-21 16:54:29,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:29,429 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-21 16:54:29,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:29,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158953387] [2022-11-21 16:54:29,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:29,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:29,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:54:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:29,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:54:29,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:29,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1571592, now seen corresponding path program 1 times [2022-11-21 16:54:29,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:29,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532310631] [2022-11-21 16:54:29,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:29,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:29,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:54:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:29,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:54:29,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:29,465 INFO L85 PathProgramCache]: Analyzing trace with hash 297897967, now seen corresponding path program 1 times [2022-11-21 16:54:29,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:29,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367882000] [2022-11-21 16:54:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:29,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:29,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:54:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:54:29,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:54:29,656 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:54:29,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:54:29,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:54:29,657 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:54:29,657 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:54:29,657 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:29,658 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:54:29,658 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:54:29,658 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration2_Loop [2022-11-21 16:54:29,658 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:54:29,658 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:54:29,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:29,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:29,932 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:54:29,933 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:54:29,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:29,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:29,935 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:29,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:54:29,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:54:29,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:29,980 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:54:29,980 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: [] [2022-11-21 16:54:29,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:29,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:29,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:29,993 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:30,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:54:30,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:30,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:54:30,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:30,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:30,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:30,064 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:30,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:54:30,069 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:54:30,069 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:30,415 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:54:30,416 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] [2022-11-21 16:54:30,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:30,466 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:54:30,466 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:54:30,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:54:30,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:54:30,467 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:54:30,467 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:30,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:54:30,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:54:30,468 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02-false.c_Iteration2_Lasso [2022-11-21 16:54:30,468 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:54:30,468 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:54:30,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:30,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:30,514 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:30,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:54:30,754 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:54:30,755 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:54:30,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:30,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:30,760 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:30,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:54:30,765 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:30,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:54:30,799 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:54:30,799 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: [] [2022-11-21 16:54:30,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:30,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:30,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:30,807 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:30,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:54:30,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:30,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 16:54:30,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:30,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:30,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:30,869 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:30,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:54:30,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:30,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 16:54:31,461 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:54:31,461 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] [2022-11-21 16:54:31,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:31,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:31,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:31,477 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:31,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 16:54:31,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:54:31,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:31,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:54:31,515 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: [] [2022-11-21 16:54:31,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:31,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:54:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:31,525 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:31,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 16:54:31,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:54:31,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:54:31,571 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:54:31,571 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: [] [2022-11-21 16:54:31,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:31,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:54:31 BoogieIcfgContainer [2022-11-21 16:54:31,595 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:54:31,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:54:31,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:54:31,597 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:54:31,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:27" (3/4) ... [2022-11-21 16:54:31,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:54:31,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:54:31,603 INFO L158 Benchmark]: Toolchain (without parser) took 4895.21ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 116.5MB in the beginning and 110.6MB in the end (delta: 5.9MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2022-11-21 16:54:31,603 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 118.6MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:54:31,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.93ms. Allocated memory is still 148.9MB. Free memory was 116.5MB in the beginning and 107.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 16:54:31,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.16ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 106.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:54:31,613 INFO L158 Benchmark]: Boogie Preprocessor took 28.59ms. Allocated memory is still 148.9MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:54:31,613 INFO L158 Benchmark]: RCFGBuilder took 360.42ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 96.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:54:31,614 INFO L158 Benchmark]: BuchiAutomizer took 4150.72ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 96.1MB in the beginning and 110.6MB in the end (delta: -14.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2022-11-21 16:54:31,614 INFO L158 Benchmark]: Witness Printer took 6.10ms. Allocated memory is still 203.4MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:54:31,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 118.6MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.93ms. Allocated memory is still 148.9MB. Free memory was 116.5MB in the beginning and 107.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.16ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 106.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.59ms. Allocated memory is still 148.9MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.42ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 96.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4150.72ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 96.1MB in the beginning and 110.6MB in the end (delta: -14.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 6.10ms. Allocated memory is still 203.4MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s 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: 115ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.4s 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 [2022-11-21 16:54:31,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/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_be3668bc-3b94-4fea-b700-ef2862e62cd0/bin/uautomizer-vX5HgA9Q3a/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