./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 979c09223b4f64932a9ecfe431c2618325c341ab74bc342cc8647dbf1f3b723f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:01,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:01,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:18:01,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:01,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:01,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:01,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:01,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:01,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:18:01,493 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:18:01,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:01,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:01,496 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:01,497 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:18:01,497 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:18:01,501 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:18:01,501 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:18:01,501 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:18:01,502 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:18:01,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:01,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:18:01,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:01,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:01,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:18:01,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:18:01,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:18:01,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:01,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:01,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:01,509 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:18:01,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:01,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:01,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:01,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:01,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:01,512 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:18:01,512 INFO L153 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_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 979c09223b4f64932a9ecfe431c2618325c341ab74bc342cc8647dbf1f3b723f [2024-10-31 22:18:01,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:01,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:01,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:01,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:01,808 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:01,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c Unable to find full path for "g++" [2024-10-31 22:18:03,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:04,073 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:04,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2024-10-31 22:18:04,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/data/08e48d116/95bcadcc12f548149046675c15e6f26b/FLAG49a80d320 [2024-10-31 22:18:04,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/data/08e48d116/95bcadcc12f548149046675c15e6f26b [2024-10-31 22:18:04,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:04,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:04,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:04,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:04,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:04,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2152be23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:04,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:04,358 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:04,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:04,400 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:04,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04 WrapperNode [2024-10-31 22:18:04,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:04,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:04,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:04,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:04,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,432 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-10-31 22:18:04,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:04,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:04,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:04,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:04,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,447 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,454 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:18:04,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:04,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:04,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:04,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:04,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:04,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:04,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:04,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:04,604 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:04,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:04,750 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-31 22:18:04,750 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:04,764 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:04,764 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:18:04,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04 BoogieIcfgContainer [2024-10-31 22:18:04,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:04,766 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:18:04,766 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:18:04,771 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:18:04,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:18:04,772 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:18:04" (1/3) ... [2024-10-31 22:18:04,773 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79651f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:18:04,774 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (2/3) ... [2024-10-31 22:18:04,774 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79651f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:18:04,774 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04" (3/3) ... [2024-10-31 22:18:04,776 INFO L332 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-2.c [2024-10-31 22:18:04,869 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:18:04,870 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:18:04,870 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:18:04,870 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:18:04,870 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:18:04,870 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:18:04,871 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:18:04,871 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:18:04,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2024-10-31 22:18:04,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:18:04,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:04,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:04,912 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:04,913 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:18:04,915 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:18:04,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2024-10-31 22:18:04,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:18:04,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:04,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:04,919 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:04,919 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:18:04,931 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 17#L20true assume !!(-268435455 <= main_~y~0#1); 12#L21true assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1; 9#L22true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 6#L22-2true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 15#L27-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 4#L32-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 7#L37-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 3#L42-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 10#L47-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 18#L52-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 16#L57-1true assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 8#L67-1true [2024-10-31 22:18:04,931 INFO L747 eck$LassoCheckResult]: Loop: 8#L67-1true assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 8#L67-1true [2024-10-31 22:18:04,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:04,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1202253379, now seen corresponding path program 1 times [2024-10-31 22:18:04,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:04,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072698557] [2024-10-31 22:18:04,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:04,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:05,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:05,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072698557] [2024-10-31 22:18:05,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072698557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:05,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:05,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:05,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015261259] [2024-10-31 22:18:05,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:05,153 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:18:05,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:05,154 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 1 times [2024-10-31 22:18:05,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:05,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608279644] [2024-10-31 22:18:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:05,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:05,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:05,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:05,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:05,311 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2024-10-31 22:18:05,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:05,409 INFO L93 Difference]: Finished difference Result 29 states and 41 transitions. [2024-10-31 22:18:05,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 41 transitions. [2024-10-31 22:18:05,412 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-10-31 22:18:05,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 23 states and 32 transitions. [2024-10-31 22:18:05,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-10-31 22:18:05,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-10-31 22:18:05,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2024-10-31 22:18:05,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:18:05,419 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2024-10-31 22:18:05,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2024-10-31 22:18:05,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-31 22:18:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 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) [2024-10-31 22:18:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2024-10-31 22:18:05,448 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-10-31 22:18:05,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:05,452 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-10-31 22:18:05,453 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:18:05,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2024-10-31 22:18:05,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:18:05,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:05,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:05,456 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:05,456 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:18:05,456 INFO L745 eck$LassoCheckResult]: Stem: 69#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 62#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 63#L20 assume !!(-268435455 <= main_~y~0#1); 68#L21 assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1; 65#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 66#L22-2 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 61#L27-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 58#L32-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 59#L37-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 56#L42-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 57#L47-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 67#L52-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 70#L57-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 64#L67-1 [2024-10-31 22:18:05,457 INFO L747 eck$LassoCheckResult]: Loop: 64#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 64#L67-1 [2024-10-31 22:18:05,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:05,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1547022655, now seen corresponding path program 1 times [2024-10-31 22:18:05,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:05,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573408732] [2024-10-31 22:18:05,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:05,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:05,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:05,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573408732] [2024-10-31 22:18:05,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573408732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:05,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:05,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:05,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241705345] [2024-10-31 22:18:05,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:05,522 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:18:05,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:05,523 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 2 times [2024-10-31 22:18:05,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:05,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357539741] [2024-10-31 22:18:05,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:05,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:05,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:05,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:05,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:05,578 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2024-10-31 22:18:05,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:05,634 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-10-31 22:18:05,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2024-10-31 22:18:05,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-10-31 22:18:05,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 24 transitions. [2024-10-31 22:18:05,636 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-10-31 22:18:05,636 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-10-31 22:18:05,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 24 transitions. [2024-10-31 22:18:05,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:18:05,637 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 24 transitions. [2024-10-31 22:18:05,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 24 transitions. [2024-10-31 22:18:05,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-31 22:18:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 21 states have internal predecessors, (23), 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) [2024-10-31 22:18:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-10-31 22:18:05,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-10-31 22:18:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:05,641 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-10-31 22:18:05,642 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:18:05,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 23 transitions. [2024-10-31 22:18:05,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:18:05,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:05,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:05,643 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:05,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:18:05,644 INFO L745 eck$LassoCheckResult]: Stem: 121#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 111#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 112#L20 assume !!(-268435455 <= main_~y~0#1); 120#L21 assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1; 118#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 119#L22-2 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 127#L27-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 109#L32-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 110#L37-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 115#L42-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 128#L47-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 124#L52-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 125#L57-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 116#L67-1 [2024-10-31 22:18:05,644 INFO L747 eck$LassoCheckResult]: Loop: 116#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 116#L67-1 [2024-10-31 22:18:05,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:05,645 INFO L85 PathProgramCache]: Analyzing trace with hash -522195007, now seen corresponding path program 1 times [2024-10-31 22:18:05,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:05,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226815478] [2024-10-31 22:18:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:05,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:05,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 3 times [2024-10-31 22:18:05,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:05,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646755432] [2024-10-31 22:18:05,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:05,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash 991824041, now seen corresponding path program 1 times [2024-10-31 22:18:05,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847190601] [2024-10-31 22:18:05,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:05,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:05,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:06,006 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:06,007 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:06,008 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:06,008 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:06,008 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:18:06,009 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,009 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:06,009 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:06,009 INFO L132 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2024-10-31 22:18:06,009 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:06,010 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:06,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,183 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:06,184 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:18:06,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:06,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:06,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:18:06,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:06,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:06,257 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:18:06,257 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:18:06,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:18:06,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:06,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:06,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:18:06,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:06,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:06,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:06,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:06,337 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:06,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:18:06,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:18:06,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:06,388 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:18:06,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:18:06,392 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:06,393 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:06,393 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:06,393 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:06,393 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:18:06,393 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,393 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:06,394 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:06,394 INFO L132 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2024-10-31 22:18:06,394 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:06,394 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:06,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:06,539 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:06,545 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:18:06,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:06,551 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:06,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:18:06,554 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 [2024-10-31 22:18:06,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:06,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:06,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:06,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:06,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:06,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:06,582 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:06,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:18:06,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:06,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:06,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:18:06,610 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 [2024-10-31 22:18:06,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:06,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:06,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:06,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:06,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:06,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:06,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:06,629 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:06,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:18:06,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:06,651 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:06,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:18:06,654 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 [2024-10-31 22:18:06,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:06,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:06,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:06,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:06,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:06,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:06,700 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:18:06,723 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-31 22:18:06,723 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-10-31 22:18:06,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:06,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:06,736 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:06,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:18:06,739 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:18:06,761 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:18:06,762 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:18:06,763 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1, ULTIMATE.start_main_~x~0#1) = -9*ULTIMATE.start_main_~z~0#1 - 100*ULTIMATE.start_main_~x~0#1 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 9 >= 0] [2024-10-31 22:18:06,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:06,788 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 22:18:06,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:06,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:18:06,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:07,120 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:18:07,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:07,125 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2024-10-31 22:18:07,127 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 23 transitions. cyclomatic complexity: 2 Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:07,377 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 23 transitions. cyclomatic complexity: 2. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 25 transitions. Complement of second has 10 states. [2024-10-31 22:18:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:18:07,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:07,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 24 transitions. [2024-10-31 22:18:07,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 13 letters. Loop has 1 letters. [2024-10-31 22:18:07,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:07,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 14 letters. Loop has 1 letters. [2024-10-31 22:18:07,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:07,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 13 letters. Loop has 2 letters. [2024-10-31 22:18:07,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:07,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 25 transitions. [2024-10-31 22:18:07,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:18:07,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 14 states and 14 transitions. [2024-10-31 22:18:07,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:18:07,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:18:07,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2024-10-31 22:18:07,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:18:07,387 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-10-31 22:18:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2024-10-31 22:18:07,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-31 22:18:07,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-10-31 22:18:07,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-10-31 22:18:07,389 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-10-31 22:18:07,389 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:18:07,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 14 transitions. [2024-10-31 22:18:07,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:18:07,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:07,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:07,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:07,391 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:18:07,391 INFO L745 eck$LassoCheckResult]: Stem: 255#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 247#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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 248#L20 assume !!(-268435455 <= main_~y~0#1); 254#L21 assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1; 253#L22 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 249#L22-2 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 250#L27-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 245#L32-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 246#L37-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 243#L42-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 244#L47-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 252#L52-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 256#L57-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 251#L67-1 [2024-10-31 22:18:07,391 INFO L747 eck$LassoCheckResult]: Loop: 251#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 251#L67-1 [2024-10-31 22:18:07,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:07,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2067886271, now seen corresponding path program 1 times [2024-10-31 22:18:07,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:07,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323444203] [2024-10-31 22:18:07,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:07,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:07,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:07,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:07,411 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 4 times [2024-10-31 22:18:07,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:07,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197558644] [2024-10-31 22:18:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:07,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:07,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:07,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:07,418 INFO L85 PathProgramCache]: Analyzing trace with hash -320034965, now seen corresponding path program 1 times [2024-10-31 22:18:07,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:07,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864957693] [2024-10-31 22:18:07,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:07,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:07,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:07,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:07,585 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:07,585 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:07,585 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:07,585 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:07,585 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:18:07,586 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:07,586 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:07,586 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:07,586 INFO L132 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2024-10-31 22:18:07,586 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:07,586 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:07,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,710 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:07,710 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:18:07,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:07,712 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:07,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:18:07,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:07,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:07,739 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:18:07,740 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:18:07,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:18:07,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:07,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:07,760 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:07,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:18:07,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:07,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:07,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:07,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:07,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:07,795 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:07,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:18:07,799 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:18:07,799 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:07,835 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:18:07,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:18:07,841 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:07,842 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:07,842 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:07,843 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:07,843 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:18:07,843 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:07,843 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:07,843 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:07,843 INFO L132 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2024-10-31 22:18:07,843 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:07,843 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:07,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:07,965 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:07,966 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:18:07,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:07,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:07,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:07,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:18:07,970 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 [2024-10-31 22:18:07,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:07,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:07,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:07,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:07,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:07,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:07,992 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:08,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:18:08,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:08,013 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:08,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:18:08,027 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 [2024-10-31 22:18:08,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:08,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:08,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:08,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:08,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:08,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:08,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:08,065 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:18:08,081 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 22:18:08,081 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-31 22:18:08,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:08,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:08,084 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:08,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:18:08,085 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:18:08,102 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:18:08,102 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:18:08,103 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 100 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 2 >= 0] [2024-10-31 22:18:08,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:18:08,128 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 22:18:08,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:08,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:18:08,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:08,344 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:18:08,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:08,345 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 1 loop predicates [2024-10-31 22:18:08,345 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1 Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:08,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 15 transitions. Complement of second has 9 states. [2024-10-31 22:18:08,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:18:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2024-10-31 22:18:08,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 13 letters. Loop has 1 letters. [2024-10-31 22:18:08,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:08,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 14 letters. Loop has 1 letters. [2024-10-31 22:18:08,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:08,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 13 letters. Loop has 2 letters. [2024-10-31 22:18:08,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:08,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 15 transitions. [2024-10-31 22:18:08,475 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:18:08,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-10-31 22:18:08,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:18:08,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:18:08,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:18:08,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:18:08,476 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:18:08,476 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:18:08,476 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:18:08,476 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:18:08,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:18:08,476 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:18:08,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:18:08,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:18:08 BoogieIcfgContainer [2024-10-31 22:18:08,484 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:18:08,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:18:08,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:18:08,485 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:18:08,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04" (3/4) ... [2024-10-31 22:18:08,488 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:18:08,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:18:08,490 INFO L158 Benchmark]: Toolchain (without parser) took 4385.68ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 91.8MB in the beginning and 113.5MB in the end (delta: -21.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:08,490 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 132.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:08,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.19ms. Allocated memory is still 132.1MB. Free memory was 91.8MB in the beginning and 79.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:18:08,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.06ms. Allocated memory is still 132.1MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:08,492 INFO L158 Benchmark]: Boogie Preprocessor took 33.18ms. Allocated memory is still 132.1MB. Free memory was 78.3MB in the beginning and 76.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:08,492 INFO L158 Benchmark]: RCFGBuilder took 297.92ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 66.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:18:08,493 INFO L158 Benchmark]: BuchiAutomizer took 3718.36ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 66.3MB in the beginning and 113.5MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:08,493 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 169.9MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:08,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 132.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.19ms. Allocated memory is still 132.1MB. Free memory was 91.8MB in the beginning and 79.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.06ms. Allocated memory is still 132.1MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.18ms. Allocated memory is still 132.1MB. Free memory was 78.3MB in the beginning and 76.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.92ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 66.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3718.36ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 66.3MB in the beginning and 113.5MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 169.9MB. Free memory is still 113.5MB. 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -9 * z) + ((long) -100 * x)) and consists of 10 locations. One deterministic module has affine ranking function (((long) -1 * y) + 100) and consists of 9 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 57 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:18:08,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:08,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaadfaa-e48c-48be-acc2-fdaea921de41/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE