./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/not-02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/not-02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8 --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 cfe6ed4448f30e820e637790713dc0ec4fdfca7b3d31473209834061c21efd0d --- 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-e04fb08 [2022-11-16 11:21:41,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:21:41,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:21:41,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:21:41,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:21:41,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:21:41,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:21:41,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:21:41,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:21:41,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:21:41,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:21:41,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:21:41,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:21:41,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:21:41,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:21:41,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:21:41,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:21:41,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:21:41,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:21:41,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:21:41,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:21:41,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:21:41,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:21:41,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:21:41,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:21:41,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:21:41,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:21:41,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:21:41,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:21:41,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:21:41,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:21:41,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:21:41,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:21:41,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:21:41,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:21:41,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:21:41,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:21:41,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:21:41,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:21:41,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:21:41,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:21:41,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:21:41,641 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:21:41,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:21:41,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:21:41,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:21:41,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:21:41,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:21:41,644 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:21:41,644 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:21:41,645 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:21:41,645 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:21:41,646 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:21:41,646 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:21:41,646 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:21:41,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:21:41,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:21:41,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:21:41,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:21:41,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:21:41,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:21:41,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:21:41,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:21:41,648 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:21:41,648 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:21:41,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:21:41,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:21:41,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:21:41,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:21:41,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:21:41,650 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:21:41,651 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_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfe6ed4448f30e820e637790713dc0ec4fdfca7b3d31473209834061c21efd0d [2022-11-16 11:21:41,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:21:41,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:21:41,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:21:41,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:21:41,974 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:21:41,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-bwb/not-02.c [2022-11-16 11:21:42,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/data/615f58b56/790fa6be1c574b7da47ca4350f325f3e/FLAGb72f353e8 [2022-11-16 11:21:42,581 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:21:42,581 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/sv-benchmarks/c/termination-bwb/not-02.c [2022-11-16 11:21:42,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/data/615f58b56/790fa6be1c574b7da47ca4350f325f3e/FLAGb72f353e8 [2022-11-16 11:21:42,972 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/data/615f58b56/790fa6be1c574b7da47ca4350f325f3e [2022-11-16 11:21:42,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:21:42,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:21:42,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:42,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:21:42,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:21:42,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:42" (1/1) ... [2022-11-16 11:21:42,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe8ea4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:42, skipping insertion in model container [2022-11-16 11:21:42,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:42" (1/1) ... [2022-11-16 11:21:42,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:21:43,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:21:43,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:21:43,219 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:21:43,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:21:43,246 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:21:43,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43 WrapperNode [2022-11-16 11:21:43,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:43,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:21:43,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:21:43,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:21:43,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,278 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-16 11:21:43,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:21:43,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:21:43,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:21:43,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:21:43,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:21:43,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:21:43,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:21:43,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:21:43,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (1/1) ... [2022-11-16 11:21:43,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:43,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:43,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:43,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:21:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:21:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:21:43,470 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:21:43,473 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:21:43,535 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:21:43,542 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:21:43,542 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:21:43,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:21:43 BoogieIcfgContainer [2022-11-16 11:21:43,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:21:43,545 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:21:43,545 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:21:43,550 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:21:43,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:21:43,551 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:21:42" (1/3) ... [2022-11-16 11:21:43,552 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7410ed07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:21:43, skipping insertion in model container [2022-11-16 11:21:43,553 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:21:43,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:43" (2/3) ... [2022-11-16 11:21:43,553 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7410ed07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:21:43, skipping insertion in model container [2022-11-16 11:21:43,554 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:21:43,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:21:43" (3/3) ... [2022-11-16 11:21:43,555 INFO L332 chiAutomizerObserver]: Analyzing ICFG not-02.c [2022-11-16 11:21:43,626 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:21:43,626 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:21:43,627 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:21:43,627 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:21:43,627 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:21:43,627 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:21:43,627 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:21:43,628 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:21:43,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-11-16 11:21:43,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 11:21:43,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:21:43,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:21:43,659 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:21:43,659 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 11:21:43,659 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:21:43,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-11-16 11:21:43,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 11:21:43,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:21:43,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:21:43,662 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:21:43,662 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 11:21:43,670 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#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_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~a~0#1 := 1; 5#L18-2true [2022-11-16 11:21:43,671 INFO L750 eck$LassoCheckResult]: Loop: 5#L18-2true assume !!(0 != main_~x~0#1 && 0 != main_~y~0#1);main_~a~0#1 := main_~x~0#1;main_~x~0#1 := main_~y~0#1;main_~y~0#1 := ~bitwiseComplement(main_~a~0#1);assume main_~y~0#1 != main_~a~0#1;assume main_~a~0#1 >= 0 || main_~y~0#1 > 0; 5#L18-2true [2022-11-16 11:21:43,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:43,678 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 11:21:43,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:43,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364681051] [2022-11-16 11:21:43,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:43,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:21:43,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:21:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:21:43,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:21:43,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:43,782 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-16 11:21:43,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:43,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344147383] [2022-11-16 11:21:43,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:43,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:21:43,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:21:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:21:43,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:21:43,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-16 11:21:43,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:43,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285350276] [2022-11-16 11:21:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:21:43,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:21:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:21:43,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:21:43,966 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:21:43,967 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:21:43,967 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:21:43,967 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:21:43,967 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:21:43,968 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:43,968 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:21:43,968 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:21:43,968 INFO L133 ssoRankerPreferences]: Filename of dumped script: not-02.c_Iteration1_Loop [2022-11-16 11:21:43,968 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:21:43,968 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:21:44,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:21:44,424 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:21:44,425 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:21:44,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:44,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:44,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:44,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:21:44,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:21:44,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:21:44,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:21:44,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:44,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:44,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:21:44,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:21:44,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:21:44,747 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:21:44,747 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~a~0#1=-1, ULTIMATE.start_main_~y~0#1=7} Honda state: {ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~a~0#1=-1, ULTIMATE.start_main_~y~0#1=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-1, ULTIMATE.start_main_~y~0#1=7}, {ULTIMATE.start_main_~x~0#1=4, ULTIMATE.start_main_~a~0#1=4, ULTIMATE.start_main_~y~0#1=4}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~y~0#1=0}] Lambdas: [3, 1, 11] Nus: [1, 0] [2022-11-16 11:21:44,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:21:44,767 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:21:44,767 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:21:44,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:21:44,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:21:44,768 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:21:44,768 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:44,768 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:21:44,768 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:21:44,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: not-02.c_Iteration1_Lasso [2022-11-16 11:21:44,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:21:44,769 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:21:44,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:21:44,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:21:44,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:21:44,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:21:45,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:21:45,216 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:21:45,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:45,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:45,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:45,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:21:45,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:21:45,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:21:45,247 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:21:45,247 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: [] [2022-11-16 11:21:45,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:21:45,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:45,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:45,260 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:45,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:21:45,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:21:45,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:21:45,297 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:21:45,298 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: [] [2022-11-16 11:21:45,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:21:45,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:45,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:45,310 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:45,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:21:45,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:21:45,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:21:45,351 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:21:45,351 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: [] [2022-11-16 11:21:45,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:21:45,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:45,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:45,363 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:45,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:21:45,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:21:45,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:21:45,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:21:45,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:21:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:45,420 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:45,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:21:45,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:21:45,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:21:45,656 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:21:45,656 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~y~0#1=6} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-1, ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~y~0#1=2}, {ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~y~0#1=4}, {ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~y~0#1=0}] Lambdas: [0, 2, 0] Nus: [1, 0] [2022-11-16 11:21:45,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:21:45,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:21:45 BoogieIcfgContainer [2022-11-16 11:21:45,674 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:21:45,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:21:45,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:21:45,675 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:21:45,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:21:43" (3/4) ... [2022-11-16 11:21:45,679 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:21:45,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:21:45,682 INFO L158 Benchmark]: Toolchain (without parser) took 2703.56ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 63.0MB in the beginning and 59.2MB in the end (delta: 3.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-11-16 11:21:45,683 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:21:45,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.48ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 62.7MB in the beginning and 96.8MB in the end (delta: -34.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:21:45,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.45ms. Allocated memory is still 119.5MB. Free memory was 96.4MB in the beginning and 95.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:21:45,685 INFO L158 Benchmark]: Boogie Preprocessor took 20.37ms. Allocated memory is still 119.5MB. Free memory was 95.3MB in the beginning and 94.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:21:45,686 INFO L158 Benchmark]: RCFGBuilder took 243.33ms. Allocated memory is still 119.5MB. Free memory was 94.1MB in the beginning and 86.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:21:45,686 INFO L158 Benchmark]: BuchiAutomizer took 2128.73ms. Allocated memory is still 119.5MB. Free memory was 86.3MB in the beginning and 59.9MB in the end (delta: 26.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 11:21:45,687 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 119.5MB. Free memory was 59.9MB in the beginning and 59.2MB in the end (delta: 753.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:21:45,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.48ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 62.7MB in the beginning and 96.8MB in the end (delta: -34.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.45ms. Allocated memory is still 119.5MB. Free memory was 96.4MB in the beginning and 95.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.37ms. Allocated memory is still 119.5MB. Free memory was 95.3MB in the beginning and 94.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 243.33ms. Allocated memory is still 119.5MB. Free memory was 94.1MB in the beginning and 86.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2128.73ms. Allocated memory is still 119.5MB. Free memory was 86.3MB in the beginning and 59.9MB in the end (delta: 26.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 119.5MB. Free memory was 59.9MB in the beginning and 59.2MB in the end (delta: 753.8kB). 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq178 hnf95 smp100 dnf947 smp33 tf100 neg89 sie126 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 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: y = ~a [21] (Reason bitwiseComplement) 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_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~a~0#1 := 1;" Loop: "assume !!(0 != main_~x~0#1 && 0 != main_~y~0#1);main_~a~0#1 := main_~x~0#1;main_~x~0#1 := main_~y~0#1;main_~y~0#1 := ~bitwiseComplement(main_~a~0#1);assume main_~y~0#1 != main_~a~0#1;assume main_~a~0#1 >= 0 || main_~y~0#1 > 0;" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-16 11:21:45,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/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_aec1f4c9-9b0e-420c-8c85-001acd7fdd51/bin/uautomizer-tPACEb0tL8/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