./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/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_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/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 32bit --witnessprinter.graph.data.programhash 5c095fadf59684254d69cca06d3c4bb1b9fa7c0b1f04f6f3052257e0be0a70d1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:00:24,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:00:24,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:00:24,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:00:24,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:00:24,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:00:24,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:00:24,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:00:24,574 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:00:24,576 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:00:24,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:00:24,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:00:24,578 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:00:24,579 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:00:24,579 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:00:24,582 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:00:24,582 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:00:24,583 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:00:24,583 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:00:24,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:00:24,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:00:24,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:00:24,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:00:24,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:00:24,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:00:24,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:00:24,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:00:24,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:00:24,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:00:24,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:00:24,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:00:24,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:00:24,591 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:00:24,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:00:24,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:00:24,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:00:24,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:00:24,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:00:24,596 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:00:24,597 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_f11cb11e-7af3-4971-adf6-eaaa13751164/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c095fadf59684254d69cca06d3c4bb1b9fa7c0b1f04f6f3052257e0be0a70d1 [2024-10-31 22:00:24,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:00:24,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:00:24,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:00:24,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:00:24,916 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:00:24,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/eca-rers2012/Problem15_label18.c [2024-10-31 22:00:25,599 INFO L533 CDTParser]: Created temporary CDT project at NULL Unable to find full path for "g++" Unable to find full path for "g++" [2024-10-31 22:00:28,720 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:28,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/sv-benchmarks/c/eca-rers2012/Problem15_label18.c [2024-10-31 22:00:28,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/data/4233cd335/6f1e4b7b0c7b4db99d046ad66ec8dfe8/FLAGe21497fa8 [2024-10-31 22:00:28,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/data/4233cd335/6f1e4b7b0c7b4db99d046ad66ec8dfe8 [2024-10-31 22:00:28,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:28,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:28,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:28,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:28,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:28,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:28" (1/1) ... [2024-10-31 22:00:28,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5222527f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:28, skipping insertion in model container [2024-10-31 22:00:28,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:28" (1/1) ... [2024-10-31 22:00:28,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:29,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:29,763 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:30,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:30,160 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:30,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30 WrapperNode [2024-10-31 22:00:30,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:30,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:30,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:30,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:30,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,422 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 1758 [2024-10-31 22:00:30,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:30,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:00:30,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:00:30,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:00:30,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,593 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:00:30,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:00:30,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:00:30,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:00:30,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:00:30,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (1/1) ... [2024-10-31 22:00:30,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:30,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:30,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:30,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:00:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:00:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:00:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:00:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:00:31,064 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:00:31,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:00:34,238 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2024-10-31 22:00:34,239 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:00:34,273 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:00:34,273 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:00:34,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:34 BoogieIcfgContainer [2024-10-31 22:00:34,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:00:34,277 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:00:34,277 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:00:34,281 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:00:34,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:00:34,282 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:00:28" (1/3) ... [2024-10-31 22:00:34,284 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@639cc79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:00:34, skipping insertion in model container [2024-10-31 22:00:34,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:00:34,285 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:30" (2/3) ... [2024-10-31 22:00:34,286 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@639cc79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:00:34, skipping insertion in model container [2024-10-31 22:00:34,286 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:00:34,287 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:34" (3/3) ... [2024-10-31 22:00:34,288 INFO L332 chiAutomizerObserver]: Analyzing ICFG Problem15_label18.c [2024-10-31 22:00:34,372 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:00:34,372 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:00:34,373 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:00:34,373 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:00:34,373 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:00:34,373 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:00:34,373 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:00:34,373 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:00:34,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 424 states, 423 states have (on average 1.7730496453900708) internal successors, (750), 423 states have internal predecessors, (750), 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 22:00:34,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 419 [2024-10-31 22:00:34,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:00:34,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:00:34,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:00:34,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:34,446 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:00:34,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 424 states, 423 states have (on average 1.7730496453900708) internal successors, (750), 423 states have internal predecessors, (750), 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 22:00:34,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 419 [2024-10-31 22:00:34,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:00:34,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:00:34,472 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:00:34,472 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:34,483 INFO L745 eck$LassoCheckResult]: Stem: 117#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~inputD~0 := 4;~inputB~0 := 2;~inputE~0 := 5;~inputA~0 := 1;~inputF~0 := 6;~inputC~0 := 3;~a4~0 := -89;~a29~0 := -127;~a2~0 := 1;~a0~0 := -44; 338#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 173#L1776-2true [2024-10-31 22:00:34,486 INFO L747 eck$LassoCheckResult]: Loop: 173#L1776-2true assume !false;havoc main_~input~0#1;havoc main_#t~nondet8#1;main_~input~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 321#L1781true assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret7#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 112#L34true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 127#L34-2true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 350#L37-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 144#L40-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 123#L43-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 410#L46-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 65#L49-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 392#L52-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 53#L55-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 211#L58-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 300#L61-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 418#L64-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 285#L67-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 113#L70-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 181#L73-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 404#L76-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 182#L79-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 4#L82-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 246#L85-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 71#L88-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 336#L91-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 54#L94-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 372#L97-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 361#L100-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 239#L103-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 68#L106-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 309#L109-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 356#L112-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 255#L115-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 249#L118-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 297#L121-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 24#L124-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 375#L127-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 422#L130-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 357#L133-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 138#L136-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 99#L139-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 50#L142-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 41#L145-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 398#L148-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 121#L151-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 185#L154-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 8#L157-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 122#L160-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 13#L163-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 162#L166-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 139#L169-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 33#L172-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 190#L175-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -61 < ~a0~0) && ~a29~0 <= -144); 400#L178-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 40#L181-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 310#L184-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 390#L187-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 386#L190-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 292#L193-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 260#L196-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 200#L199-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 60#L202-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 346#L205-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 135#L208-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 401#L211-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 272#L214-1true assume -61 < ~a0~0 && ~a4~0 <= -86 && 1 == calculate_output_~input#1 && ((3 == ~a2~0 && ~a29~0 <= -144) || (2 == ~a2~0 && -16 < ~a29~0 && 43 >= ~a29~0) || (43 < ~a29~0 && 2 == ~a2~0));~a0~0 := 5 * (if -300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926) < 0 && 0 != (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) % 5 then 1 + (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) / 5 else (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) / 5) - 2;~a29~0 := (if (if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019 < 0 && 0 != ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) % 5 then 1 + ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) / 5 else ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) / 5);~a2~0 := 1;calculate_output_#res#1 := -1; 10#calculate_output_returnLabel#1true main_#t~ret9#1 := calculate_output_#res#1;havoc calculate_output_#t~ret7#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret9#1;havoc main_~input~0#1;havoc main_#t~ret9#1; 173#L1776-2true [2024-10-31 22:00:34,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:34,500 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:00:34,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:34,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928920946] [2024-10-31 22:00:34,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:34,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:34,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:34,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:34,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2032431519, now seen corresponding path program 1 times [2024-10-31 22:00:34,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:34,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523474996] [2024-10-31 22:00:34,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:34,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:34,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:34,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:34,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1921445153, now seen corresponding path program 1 times [2024-10-31 22:00:34,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:34,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274054033] [2024-10-31 22:00:34,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:34,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:35,411 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 22:00:35,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:35,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274054033] [2024-10-31 22:00:35,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274054033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:35,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:35,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:35,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987286984] [2024-10-31 22:00:35,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:36,651 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:00:36,651 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:00:36,652 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:00:36,652 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:00:36,652 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:00:36,652 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:36,652 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:00:36,653 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:00:36,653 INFO L132 ssoRankerPreferences]: Filename of dumped script: Problem15_label18.c_Iteration1_Loop [2024-10-31 22:00:36,654 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:00:36,654 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:00:36,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:36,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:36,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:36,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:37,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:37,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:37,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:37,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:37,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:37,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:37,948 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-31 22:00:37,955 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-10-31 22:00:42,689 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:00:42,690 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:00:42,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:42,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:42,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:42,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:00:42,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:00:42,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:00:43,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:43,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:43,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:43,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:43,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:00:43,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:00:43,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:00:43,443 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:00:43,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:00:43,451 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:00:43,451 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:00:43,451 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:00:43,451 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:00:43,451 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:00:43,451 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:43,451 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:00:43,451 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:00:43,452 INFO L132 ssoRankerPreferences]: Filename of dumped script: Problem15_label18.c_Iteration1_Loop [2024-10-31 22:00:43,452 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:00:43,452 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:00:43,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:43,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:00:44,563 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-31 22:00:44,567 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-10-31 22:00:49,423 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:00:49,428 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:00:49,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:49,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:49,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:49,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:00:49,434 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 22:00:49,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:00:49,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:00:49,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:00:49,447 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-10-31 22:00:49,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:00:49,465 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 22:00:49,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:00:49,487 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:00:49,498 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:00:49,498 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:00:49,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:00:49,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:49,509 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:49,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:00:49,512 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:00:49,513 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:00:49,513 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:00:49,514 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a0~0) = 2*~a0~0 + 265 Supporting invariants [] [2024-10-31 22:00:49,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:00:49,532 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:00:49,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:00:49,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:00:49,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:00:50,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11cb11e-7af3-4971-adf6-eaaa13751164/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0