./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/EvenOdd03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/EvenOdd03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eda92234de2991558d0fa68c10405194bf8879d4d71f81bbe5c79bf2cf318fe2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:27:13,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:27:13,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:27:13,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:27:13,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:27:13,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:27:13,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:27:13,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:27:13,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:27:13,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:27:13,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:27:13,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:27:13,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:27:13,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:27:13,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:27:13,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:27:13,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:27:13,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:27:13,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:27:13,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:27:13,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:27:13,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:27:13,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:27:13,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:27:13,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:27:13,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:27:13,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:27:13,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:27:13,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:27:13,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:27:13,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:27:13,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:27:13,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:27:13,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:27:13,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:27:13,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:27:13,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:27:13,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:27:13,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:27:13,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:27:13,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:27:13,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 15:27:13,677 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:27:13,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:27:13,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:27:13,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:27:13,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:27:13,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:27:13,681 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:27:13,682 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:27:13,682 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:27:13,682 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:27:13,684 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:27:13,684 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:27:13,685 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:27:13,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:27:13,685 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:27:13,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:27:13,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:27:13,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:27:13,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:27:13,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:27:13,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:27:13,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:27:13,688 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:27:13,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:27:13,689 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:27:13,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:27:13,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:27:13,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:27:13,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:27:13,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:27:13,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:27:13,694 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:27:13,695 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eda92234de2991558d0fa68c10405194bf8879d4d71f81bbe5c79bf2cf318fe2 [2022-11-25 15:27:14,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:27:14,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:27:14,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:27:14,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:27:14,047 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:27:14,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/recursive/EvenOdd03.c [2022-11-25 15:27:17,449 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:27:17,732 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:27:17,733 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/sv-benchmarks/c/recursive/EvenOdd03.c [2022-11-25 15:27:17,741 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/data/484b818bb/86611ccca5ff4378a450bbc0255b64ca/FLAG10d212f0c [2022-11-25 15:27:17,760 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/data/484b818bb/86611ccca5ff4378a450bbc0255b64ca [2022-11-25 15:27:17,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:27:17,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:27:17,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:27:17,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:27:17,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:27:17,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:27:17" (1/1) ... [2022-11-25 15:27:17,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b892651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:17, skipping insertion in model container [2022-11-25 15:27:17,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:27:17" (1/1) ... [2022-11-25 15:27:17,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:27:17,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:27:18,015 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/sv-benchmarks/c/recursive/EvenOdd03.c[974,987] [2022-11-25 15:27:18,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:27:18,036 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:27:18,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/sv-benchmarks/c/recursive/EvenOdd03.c[974,987] [2022-11-25 15:27:18,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:27:18,077 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:27:18,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18 WrapperNode [2022-11-25 15:27:18,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:27:18,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:27:18,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:27:18,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:27:18,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,115 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-25 15:27:18,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:27:18,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:27:18,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:27:18,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:27:18,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:27:18,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:27:18,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:27:18,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:27:18,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (1/1) ... [2022-11-25 15:27:18,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:18,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:18,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:18,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:27:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:27:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2022-11-25 15:27:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2022-11-25 15:27:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:27:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2022-11-25 15:27:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2022-11-25 15:27:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:27:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:27:18,332 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:27:18,335 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:27:18,494 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:27:18,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:27:18,501 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:27:18,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:18 BoogieIcfgContainer [2022-11-25 15:27:18,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:27:18,504 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:27:18,504 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:27:18,509 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:27:18,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:27:18,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:27:17" (1/3) ... [2022-11-25 15:27:18,511 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a883347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:27:18, skipping insertion in model container [2022-11-25 15:27:18,511 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:27:18,512 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:18" (2/3) ... [2022-11-25 15:27:18,512 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a883347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:27:18, skipping insertion in model container [2022-11-25 15:27:18,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:27:18,512 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:18" (3/3) ... [2022-11-25 15:27:18,514 INFO L332 chiAutomizerObserver]: Analyzing ICFG EvenOdd03.c [2022-11-25 15:27:18,574 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:27:18,575 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:27:18,575 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:27:18,575 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:27:18,575 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:27:18,575 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:27:18,575 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:27:18,576 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:27:18,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 15:27:18,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:27:18,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:27:18,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:27:18,617 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 15:27:18,618 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:27:18,618 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:27:18,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 15:27:18,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:27:18,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:27:18,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:27:18,626 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 15:27:18,626 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:27:18,637 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~n~0#1, main_~result~0#1, main_~mod~0#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 16#L41true assume !(main_~n~0#1 < 0); 4#L44true call main_#t~ret7#1 := isEven(main_~n~0#1);< 5#isEvenENTRYtrue [2022-11-25 15:27:18,638 INFO L750 eck$LassoCheckResult]: Loop: 5#isEvenENTRYtrue ~n := #in~n; 8#L29true assume !(0 == ~n); 10#L31true assume !(1 == ~n); 13#L34true call #t~ret5 := isOdd(~n - 1);< 17#isOddENTRYtrue ~n := #in~n; 9#L19true assume !(0 == ~n); 7#L21true assume !(1 == ~n); 14#L24true call #t~ret4 := isEven(~n - 1);< 5#isEvenENTRYtrue [2022-11-25 15:27:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:18,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1664500, now seen corresponding path program 1 times [2022-11-25 15:27:18,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:18,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154136484] [2022-11-25 15:27:18,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:18,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:18,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:27:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:18,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:27:18,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:18,820 INFO L85 PathProgramCache]: Analyzing trace with hash 2012601927, now seen corresponding path program 1 times [2022-11-25 15:27:18,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:18,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319625204] [2022-11-25 15:27:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:18,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:18,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:27:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:18,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:27:18,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:18,880 INFO L85 PathProgramCache]: Analyzing trace with hash 198156602, now seen corresponding path program 1 times [2022-11-25 15:27:18,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:18,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051257370] [2022-11-25 15:27:18,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:18,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:18,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:27:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:18,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:27:19,256 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:27:19,257 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:27:19,257 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:27:19,257 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:27:19,257 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:27:19,257 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:19,257 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:27:19,258 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:27:19,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd03.c_Iteration1_Loop [2022-11-25 15:27:19,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:27:19,258 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:27:19,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:19,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:19,295 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:19,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:19,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:19,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:19,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:27:19,450 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:27:19,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:19,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:19,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:19,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:19,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:19,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:27:19,495 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:27:19,495 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=0} Honda state: {isOdd_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:27:19,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:19,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:19,508 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:19,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:27:19,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:19,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:19,555 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:27:19,555 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret5=0} Honda state: {isEven_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:27:19,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:19,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:19,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:19,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:19,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:27:19,574 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:19,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:19,587 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:27:19,587 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:27:19,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-25 15:27:19,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:19,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:19,600 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:19,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:19,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:19,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:27:19,629 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:27:19,629 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:27:19,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:19,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:19,639 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:19,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 15:27:19,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:19,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:19,663 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:27:19,663 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret4=0} Honda state: {isOdd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:27:19,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:19,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:19,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:19,678 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:19,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:19,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:19,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 15:27:19,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:19,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:19,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:19,725 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:19,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 15:27:19,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:27:19,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:19,776 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:27:19,776 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=-2} Honda state: {isEven_#in~n=-2} Generalized eigenvectors: [{isEven_#in~n=-1}, {isEven_#in~n=-1}, {isEven_#in~n=0}] Lambdas: [0, 1, 12] Nus: [1, 0] [2022-11-25 15:27:19,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:20,041 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:27:20,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:27:20,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:27:20,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:27:20,042 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:27:20,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:20,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:27:20,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:27:20,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd03.c_Iteration1_Lasso [2022-11-25 15:27:20,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:27:20,043 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:27:20,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,101 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,149 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:20,500 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:27:20,505 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:27:20,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:20,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:20,511 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:20,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:20,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 15:27:20,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:20,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:27:20,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:20,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:20,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:27:20,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:27:20,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:27:20,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:20,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:20,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:20,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:20,555 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:20,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 15:27:20,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:20,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:20,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:27:20,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:20,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:20,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:27:20,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:27:20,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:27:20,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:20,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:20,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:20,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:20,586 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:20,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 15:27:20,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:20,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:20,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:20,605 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 15:27:20,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:27:20,623 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-25 15:27:20,623 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-25 15:27:20,655 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:27:20,682 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-25 15:27:20,683 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-25 15:27:20,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:20,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:20,709 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:20,729 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:27:20,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 15:27:20,755 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-11-25 15:27:20,756 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:27:20,756 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(isEven_#in~n) = 1*isEven_#in~n Supporting invariants [1*isEven_#in~n >= 0] [2022-11-25 15:27:20,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:20,776 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-11-25 15:27:20,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:20,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 15:27:20,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:27:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:20,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-25 15:27:20,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:27:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:21,271 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2022-11-25 15:27:21,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:21,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:21,711 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 90 transitions. Complement of second has 25 states. [2022-11-25 15:27:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 7 non-accepting loop states 1 accepting loop states [2022-11-25 15:27:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 27 transitions. [2022-11-25 15:27:21,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 4 letters. Loop has 8 letters. [2022-11-25 15:27:21,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:27:21,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 12 letters. Loop has 8 letters. [2022-11-25 15:27:21,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:27:21,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 4 letters. Loop has 16 letters. [2022-11-25 15:27:21,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:27:21,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 90 transitions. [2022-11-25 15:27:21,731 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:27:21,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2022-11-25 15:27:21,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 15:27:21,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 15:27:21,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 15:27:21,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:27:21,736 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:27:21,736 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:27:21,737 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:27:21,737 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:27:21,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:27:21,737 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:27:21,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 15:27:21,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:27:21 BoogieIcfgContainer [2022-11-25 15:27:21,745 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:27:21,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:27:21,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:27:21,746 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:27:21,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:18" (3/4) ... [2022-11-25 15:27:21,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:27:21,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:27:21,751 INFO L158 Benchmark]: Toolchain (without parser) took 3985.70ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 131.7MB in the end (delta: 9.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-11-25 15:27:21,752 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:27:21,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.73ms. Allocated memory is still 184.5MB. Free memory was 140.7MB in the beginning and 130.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:27:21,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.74ms. Allocated memory is still 184.5MB. Free memory was 130.7MB in the beginning and 129.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:27:21,754 INFO L158 Benchmark]: Boogie Preprocessor took 21.98ms. Allocated memory is still 184.5MB. Free memory was 129.2MB in the beginning and 128.6MB in the end (delta: 694.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:27:21,754 INFO L158 Benchmark]: RCFGBuilder took 364.09ms. Allocated memory is still 184.5MB. Free memory was 128.1MB in the beginning and 118.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:27:21,755 INFO L158 Benchmark]: BuchiAutomizer took 3241.25ms. Allocated memory is still 184.5MB. Free memory was 118.3MB in the beginning and 131.7MB in the end (delta: -13.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:27:21,755 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 184.5MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:27:21,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.73ms. Allocated memory is still 184.5MB. Free memory was 140.7MB in the beginning and 130.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.74ms. Allocated memory is still 184.5MB. Free memory was 130.7MB in the beginning and 129.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.98ms. Allocated memory is still 184.5MB. Free memory was 129.2MB in the beginning and 128.6MB in the end (delta: 694.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 364.09ms. Allocated memory is still 184.5MB. Free memory was 128.1MB in the beginning and 118.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3241.25ms. Allocated memory is still 184.5MB. Free memory was 118.3MB in the beginning and 131.7MB in the end (delta: -13.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 184.5MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 14 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital50 mio100 ax100 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq188 hnf97 smp100 dnf500 smp17 tf103 neg92 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 171ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 15:27:21,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98db3381-5a58-4e8f-aa2b-5203aa0aef76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE