./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/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_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/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_f5ffab40-dece-4cb1-a581-3e8509a4d94e/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 47ff27a18b01e8b4591935cf165ecfbb2c1dc4a991e5a76147a644ae40a59e3c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:00,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:00,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:08:00,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:00,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:00,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:00,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:00,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:00,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:00,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:00,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:00,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:00,803 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:00,805 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:08:00,806 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:08:00,806 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:08:00,806 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:08:00,807 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:08:00,811 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:08:00,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:00,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:08:00,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:00,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:00,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:00,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:00,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:08:00,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:08:00,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:08:00,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:00,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:00,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:00,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:00,815 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:08:00,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:00,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:00,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:00,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:00,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:00,820 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:08:00,821 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_f5ffab40-dece-4cb1-a581-3e8509a4d94e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47ff27a18b01e8b4591935cf165ecfbb2c1dc4a991e5a76147a644ae40a59e3c [2024-10-31 22:08:01,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:01,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:01,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:01,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:01,171 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:01,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/eca-rers2012/Problem04_label23.c Unable to find full path for "g++" [2024-10-31 22:08:03,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:03,762 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:03,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/sv-benchmarks/c/eca-rers2012/Problem04_label23.c [2024-10-31 22:08:03,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/data/803adcf39/1541f7e47f9146c9b49179c79d7e5c5c/FLAG56f8fce06 [2024-10-31 22:08:03,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/data/803adcf39/1541f7e47f9146c9b49179c79d7e5c5c [2024-10-31 22:08:03,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:03,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:03,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:03,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:03,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:03,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:03" (1/1) ... [2024-10-31 22:08:03,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec94cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:03, skipping insertion in model container [2024-10-31 22:08:03,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:03" (1/1) ... [2024-10-31 22:08:03,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:05,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:05,555 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:06,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:06,264 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:06,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06 WrapperNode [2024-10-31 22:08:06,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:06,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:06,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:06,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:06,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,558 INFO L138 Inliner]: procedures = 17, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 5572 [2024-10-31 22:08:06,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:06,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:06,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:06,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:06,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,590 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,665 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 22:08:06,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:06,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:06,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:06,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:06,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (1/1) ... [2024-10-31 22:08:06,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:06,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:06,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:06,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:07,071 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:07,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:12,585 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:12,585 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:12,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:12,631 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:12,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:12 BoogieIcfgContainer [2024-10-31 22:08:12,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:12,637 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:08:12,637 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:08:12,641 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:08:12,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:12,642 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:08:03" (1/3) ... [2024-10-31 22:08:12,643 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@614ffadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:12, skipping insertion in model container [2024-10-31 22:08:12,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:12,643 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:06" (2/3) ... [2024-10-31 22:08:12,644 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@614ffadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:12, skipping insertion in model container [2024-10-31 22:08:12,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:12,644 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:12" (3/3) ... [2024-10-31 22:08:12,645 INFO L332 chiAutomizerObserver]: Analyzing ICFG Problem04_label23.c [2024-10-31 22:08:12,739 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:08:12,740 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:08:12,741 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:08:12,741 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:08:12,741 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:08:12,741 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:08:12,742 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:08:12,742 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:08:12,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 885 states, 884 states have (on average 1.920814479638009) internal successors, (1698), 884 states have internal predecessors, (1698), 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 22:08:12,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 880 [2024-10-31 22:08:12,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:12,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:12,820 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:08:12,820 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:08:12,820 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:08:12,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 885 states, 884 states have (on average 1.920814479638009) internal successors, (1698), 884 states have internal predecessors, (1698), 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 22:08:12,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 880 [2024-10-31 22:08:12,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:12,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:12,852 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:08:12,852 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:08:12,861 INFO L745 eck$LassoCheckResult]: Stem: 133#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 802#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 765#L4826-2true [2024-10-31 22:08:12,861 INFO L747 eck$LassoCheckResult]: Loop: 765#L4826-2true assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 198#L4831true 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~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 661#L50true assume (1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0;~a28~0 := 15;~a26~0 := 17;~a4~0 := 16;~a14~0 := 18;~a7~0 := 1;calculate_output_#res#1 := -1; 482#calculate_output_returnLabel#1true main_#t~ret13#1 := calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_~input~0#1;havoc main_#t~ret13#1; 765#L4826-2true [2024-10-31 22:08:12,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:12,872 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:08:12,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:12,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214454277] [2024-10-31 22:08:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:12,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:13,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:13,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:13,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:13,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1271452, now seen corresponding path program 1 times [2024-10-31 22:08:13,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:13,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050608005] [2024-10-31 22:08:13,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:13,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:13,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:13,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:13,101 INFO L85 PathProgramCache]: Analyzing trace with hash 889698654, now seen corresponding path program 1 times [2024-10-31 22:08:13,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:13,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291514390] [2024-10-31 22:08:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:13,300 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 22:08:13,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:13,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291514390] [2024-10-31 22:08:13,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291514390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:13,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:13,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:13,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28530981] [2024-10-31 22:08:13,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:13,672 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:13,672 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:13,672 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:13,672 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:13,673 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:08:13,673 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:13,673 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:13,673 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:13,673 INFO L132 ssoRankerPreferences]: Filename of dumped script: Problem04_label23.c_Iteration1_Loop [2024-10-31 22:08:13,673 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:13,673 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:13,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:13,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,011 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-31 22:08:14,477 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:14,477 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:08:14,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:14,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:14,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:14,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:08:14,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:14,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:14,512 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:14,513 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_~input#1=0} Honda state: {ULTIMATE.start_calculate_output_~input#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:14,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:14,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:14,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:14,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:14,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:08:14,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:14,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:14,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:14,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:14,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:14,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:14,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:08:14,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:08:14,598 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:14,711 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:08:14,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:14,716 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:14,716 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:14,716 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:14,717 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:14,717 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:14,717 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:14,717 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:14,717 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:14,717 INFO L132 ssoRankerPreferences]: Filename of dumped script: Problem04_label23.c_Iteration1_Loop [2024-10-31 22:08:14,717 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:14,717 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:14,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:14,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:15,091 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-31 22:08:15,574 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:15,580 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:15,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:15,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:15,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:15,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:08:15,591 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 22:08:15,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:15,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:15,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:15,609 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2024-10-31 22:08:15,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:15,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:15,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:15,646 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:15,654 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 22:08:15,655 INFO L444 ModelExtractionUtils]: 5 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:08:15,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:15,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:15,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:15,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:08:15,681 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:15,681 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:08:15,682 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:15,683 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a4~0) = 1*~a4~0 Supporting invariants [] [2024-10-31 22:08:15,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:08:15,704 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:08:15,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:15,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:15,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:15,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:15,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:15,872 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 22:08:15,906 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:08:15,910 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 885 states, 884 states have (on average 1.920814479638009) internal successors, (1698), 884 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 22:08:18,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:20,059 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 885 states, 884 states have (on average 1.920814479638009) internal successors, (1698), 884 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 3542 states and 6269 transitions. Complement of second has 6 states. [2024-10-31 22:08:20,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 22:08:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3357 transitions. [2024-10-31 22:08:20,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3357 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-31 22:08:20,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:20,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3357 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:08:20,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:20,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3357 transitions. Stem has 2 letters. Loop has 8 letters. [2024-10-31 22:08:20,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:20,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3542 states and 6269 transitions. [2024-10-31 22:08:20,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1698 [2024-10-31 22:08:20,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3542 states to 2528 states and 4374 transitions. [2024-10-31 22:08:20,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1701 [2024-10-31 22:08:20,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1706 [2024-10-31 22:08:20,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2528 states and 4374 transitions. [2024-10-31 22:08:20,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:20,136 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2528 states and 4374 transitions. [2024-10-31 22:08:20,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states and 4374 transitions. [2024-10-31 22:08:20,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2523. [2024-10-31 22:08:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 2523 states have (on average 1.7316686484344035) internal successors, (4369), 2522 states have internal predecessors, (4369), 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 22:08:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 4369 transitions. [2024-10-31 22:08:20,264 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2523 states and 4369 transitions. [2024-10-31 22:08:20,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:20,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:20,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:20,269 INFO L87 Difference]: Start difference. First operand 2523 states and 4369 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 22:08:24,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:24,944 INFO L93 Difference]: Finished difference Result 4980 states and 7611 transitions. [2024-10-31 22:08:24,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4980 states and 7611 transitions. [2024-10-31 22:08:24,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3272 [2024-10-31 22:08:25,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4980 states to 4919 states and 7531 transitions. [2024-10-31 22:08:25,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3275 [2024-10-31 22:08:25,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3275 [2024-10-31 22:08:25,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4919 states and 7531 transitions. [2024-10-31 22:08:25,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:25,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2024-10-31 22:08:25,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4919 states and 7531 transitions. [2024-10-31 22:08:25,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4919 to 4919. [2024-10-31 22:08:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 4919 states have (on average 1.5310022362268754) internal successors, (7531), 4918 states have internal predecessors, (7531), 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 22:08:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 7531 transitions. [2024-10-31 22:08:25,101 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2024-10-31 22:08:25,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:25,102 INFO L425 stractBuchiCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2024-10-31 22:08:25,102 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:08:25,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4919 states and 7531 transitions. [2024-10-31 22:08:25,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3272 [2024-10-31 22:08:25,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:25,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:25,127 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:08:25,127 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:25,128 INFO L745 eck$LassoCheckResult]: Stem: 12468#$Ultimate##0 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);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 12469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 14195#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 12692#L4831 [2024-10-31 22:08:25,132 INFO L747 eck$LassoCheckResult]: Loop: 12692#L4831 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~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 12693#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 13709#L57 assume !((1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0); 12779#L62 assume !(17 == ~a28~0 && 1 == ~a1~0 && 1 == ~a25~0 && 1 == ~a7~0 && 17 == ~a4~0 && (18 == ~a14~0 && 4 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)); 12758#L68 assume !(!(1 == ~a7~0) && !(1 == ~a3~0) && (16 == ~a28~0 && 1 == ~a25~0 && 17 == ~a4~0 && ((17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a1~0) && 19 == ~a14~0); 12759#L76 assume !(16 == ~a28~0 && ((18 == ~a14~0 && (!(1 == ~a7~0) && 18 == ~a26~0 && 1 == ~a3~0 && 1 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 13343#L82 assume !(!(1 == ~a3~0) && 17 == ~a28~0 && 1 == ~a25~0 && ((5 == calculate_output_~input#1 && (((18 == ~a14~0 && 19 == ~a26~0 && !(1 == ~a7~0)) || (19 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || (19 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0))) && 17 == ~a4~0) && 1 == ~a1~0); 13344#L90 assume !(1 == ~a1~0 && 17 == ~a26~0 && 18 == ~a4~0 && !(1 == ~a7~0) && ((1 == ~a25~0 && 3 == calculate_output_~input#1 && 15 == ~a28~0) && 1 == ~a3~0) && 20 == ~a14~0); 12664#L95 assume !(((((1 == ~a1~0 && (20 == ~a14~0 && 2 == calculate_output_~input#1 && 17 == ~a26~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && 1 == ~a25~0) && 17 == ~a4~0) && !(1 == ~a3~0)); 12665#L102 assume !(17 == ~a28~0 && 17 == ~a4~0 && 1 == ~a25~0 && 1 == ~a3~0 && 20 == ~a14~0 && 1 == ~a1~0 && 6 == calculate_output_~input#1 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (!(1 == ~a7~0) && 18 == ~a26~0))); 12919#L109 assume !(((17 == ~a4~0 && (((((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a3~0) && 1 == ~a1~0); 12168#L115 assume !((16 == ~a28~0 && (!(1 == ~a7~0) && 1 == ~a1~0 && 17 == ~a4~0 && ((18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && !(1 == ~a3~0)) && 18 == ~a14~0) && 1 == ~a25~0); 12169#L122 assume 1 == ~a25~0 && (1 == ~a1~0 && (1 == ~a7~0 && ((2 == calculate_output_~input#1 && 17 == ~a4~0) && 15 == ~a28~0) && 1 == ~a3~0) && 18 == ~a26~0) && 19 == ~a14~0;~a26~0 := 17;~a14~0 := 20;calculate_output_#res#1 := 24; 12746#calculate_output_returnLabel#1 main_#t~ret13#1 := calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_~input~0#1;havoc main_#t~ret13#1; 13516#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 12692#L4831 [2024-10-31 22:08:25,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:25,133 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-31 22:08:25,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:25,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660572969] [2024-10-31 22:08:25,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:25,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:25,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:25,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1835408563, now seen corresponding path program 1 times [2024-10-31 22:08:25,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:25,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108292924] [2024-10-31 22:08:25,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:25,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:25,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:25,218 INFO L85 PathProgramCache]: Analyzing trace with hash -783635514, now seen corresponding path program 1 times [2024-10-31 22:08:25,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:25,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666033637] [2024-10-31 22:08:25,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:25,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:25,511 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:25,512 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:25,512 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:25,512 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:25,512 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:08:25,512 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,512 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:25,512 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:25,515 INFO L132 ssoRankerPreferences]: Filename of dumped script: Problem04_label23.c_Iteration2_Loop [2024-10-31 22:08:25,516 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:25,516 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:25,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,695 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:25,695 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:08:25,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,698 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:08:25,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:25,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:25,745 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:25,745 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_#t~ret9#1=0} Honda state: {ULTIMATE.start_calculate_output_#t~ret9#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:25,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:08:25,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,759 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:08:25,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:25,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:25,773 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:25,774 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_~input#1=0} Honda state: {ULTIMATE.start_calculate_output_~input#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:25,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:25,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,786 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:08:25,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:25,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:25,803 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:25,803 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a3~0=1} Honda state: {~a3~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:25,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:08:25,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,824 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:08:25,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:25,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:25,846 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:25,846 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a1~0=1} Honda state: {~a1~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:25,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:25,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,864 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:08:25,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:25,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:25,878 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:25,878 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_calculate_output_#in~input#1=0} Honda state: {ULTIMATE.start_calculate_output_#in~input#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:25,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:25,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,893 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:08:25,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:25,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:25,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:25,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,922 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:08:25,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:08:25,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:25,938 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:08:25,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:25,950 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:25,950 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:25,950 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:25,951 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:25,951 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:25,951 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,951 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:25,951 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:25,951 INFO L132 ssoRankerPreferences]: Filename of dumped script: Problem04_label23.c_Iteration2_Loop [2024-10-31 22:08:25,951 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:25,951 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:25,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:26,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:26,113 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:26,113 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:26,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:26,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:26,115 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:26,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:08:26,117 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 22:08:26,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:26,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:26,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:26,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:26,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:26,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:26,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:26,132 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:26,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:08:26,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:26,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:26,147 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:26,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:08:26,150 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 22:08:26,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:26,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:26,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:26,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:26,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:26,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:26,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:26,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:26,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:08:26,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:26,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:26,186 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:26,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:08:26,191 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 22:08:26,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:26,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:26,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:26,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:26,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:26,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:26,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:26,204 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:26,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:26,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:26,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:26,218 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:26,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:08:26,220 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 22:08:26,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:26,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:26,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:26,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:26,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:26,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:26,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:26,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:26,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:26,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:26,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:26,247 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:26,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:08:26,248 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 22:08:26,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:26,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:26,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:26,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:26,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:26,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:26,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:26,263 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:26,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:08:26,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:26,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:26,277 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:26,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:08:26,279 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 22:08:26,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:26,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:26,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:26,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:26,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:26,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:26,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:26,293 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:26,299 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:08:26,299 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:08:26,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:26,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:26,301 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:26,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:08:26,303 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:26,303 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:08:26,303 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:26,303 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a26~0) = 1*~a26~0 Supporting invariants [] [2024-10-31 22:08:26,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5ffab40-dece-4cb1-a581-3e8509a4d94e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:26,315 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:08:26,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:26,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:26,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:26,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:26,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:26,419 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 22:08:26,420 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:08:26,420 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4919 states and 7531 transitions. cyclomatic complexity: 2615 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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)