./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:37,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:37,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 11:56:37,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:37,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:37,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:37,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:37,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:37,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:37,698 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:37,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:37,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:37,701 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:37,703 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:56:37,703 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:56:37,704 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:56:37,704 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:56:37,705 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:56:37,706 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:56:37,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:37,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:56:37,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:37,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:37,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:56:37,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:56:37,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:56:37,725 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:56:37,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:37,726 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:56:37,726 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:37,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:37,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:37,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:37,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:37,729 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:56:37,729 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_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c [2023-11-26 11:56:38,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:38,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:38,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:38,083 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:38,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:38,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2023-11-26 11:56:41,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:41,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:41,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2023-11-26 11:56:41,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/data/4622c8e8c/7628483b35984056aa2b308850bc987d/FLAG9f7f424ae [2023-11-26 11:56:41,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/data/4622c8e8c/7628483b35984056aa2b308850bc987d [2023-11-26 11:56:41,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:41,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:41,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:41,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:41,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:41,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705ca4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41, skipping insertion in model container [2023-11-26 11:56:41,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:41,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:41,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:41,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:41,567 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:41,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41 WrapperNode [2023-11-26 11:56:41,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:41,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:41,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:41,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:41,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,601 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-26 11:56:41,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:41,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:41,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:41,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:41,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,623 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-26 11:56:41,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:41,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:41,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:41,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:41,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (1/1) ... [2023-11-26 11:56:41,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:41,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:41,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:41,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:41,829 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:41,831 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:41,975 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:41,985 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:41,985 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:56:41,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:41 BoogieIcfgContainer [2023-11-26 11:56:41,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:41,989 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:56:41,994 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:56:41,999 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:56:42,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:42,001 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:56:41" (1/3) ... [2023-11-26 11:56:42,003 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d235b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:56:42, skipping insertion in model container [2023-11-26 11:56:42,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:42,004 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:41" (2/3) ... [2023-11-26 11:56:42,007 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d235b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:56:42, skipping insertion in model container [2023-11-26 11:56:42,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:42,007 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:41" (3/3) ... [2023-11-26 11:56:42,010 INFO L332 chiAutomizerObserver]: Analyzing ICFG Benghazi_nondet-2.c [2023-11-26 11:56:42,093 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:56:42,094 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:56:42,094 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:56:42,094 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:56:42,094 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:56:42,094 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:56:42,095 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:56:42,095 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:56:42,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:42,116 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:56:42,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:42,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:42,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 11:56:42,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:56:42,121 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:56:42,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:42,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:56:42,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:42,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:42,124 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 11:56:42,124 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:56:42,133 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~d1~0#1, main_~d2~0#1, main_~d1old~0#1;havoc main_~x~0#1;havoc main_~d1~0#1;havoc main_~d2~0#1;havoc main_~d1old~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~d1~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~d2~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3#L18true assume !!(-1048575 <= main_~x~0#1 && main_~x~0#1 <= 1048575); 9#L19true assume !!(-1048575 <= main_~d1~0#1 && main_~d1~0#1 <= 1048575); 10#L20true assume !!(-1048575 <= main_~d2~0#1 && main_~d2~0#1 <= 1048575); 7#L21-2true [2023-11-26 11:56:42,134 INFO L750 eck$LassoCheckResult]: Loop: 7#L21-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~d1~0#1;main_~d1old~0#1 := main_~d1~0#1;main_~d1~0#1 := 1 + main_~d2~0#1;main_~d2~0#1 := 1 + main_~d1old~0#1; 7#L21-2true [2023-11-26 11:56:42,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:42,140 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-11-26 11:56:42,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:42,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381514533] [2023-11-26 11:56:42,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:42,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:42,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:42,349 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2023-11-26 11:56:42,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:42,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400435335] [2023-11-26 11:56:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:42,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:42,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:42,395 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2023-11-26 11:56:42,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:42,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300660690] [2023-11-26 11:56:42,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:42,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:42,604 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:42,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:42,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:42,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:42,606 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 11:56:42,606 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:42,606 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:42,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:42,606 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2023-11-26 11:56:42,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:42,608 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:42,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:42,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:42,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:42,738 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:42,739 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 11:56:42,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:42,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:42,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:42,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:56:42,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:56:42,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:56:42,790 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:56:42,790 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 11:56:42,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:42,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:42,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:42,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:42,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:56:42,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:56:42,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:56:42,853 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:56:42,854 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 11:56:42,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:42,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:42,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:42,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:42,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:56:42,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:56:42,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:56:42,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:42,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:42,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:42,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:42,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:56:42,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:56:42,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:56:47,140 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 11:56:47,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:47,144 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:47,144 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:47,145 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:47,145 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:47,145 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:56:47,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:47,145 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:47,145 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2023-11-26 11:56:47,145 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:47,145 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:47,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:47,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:47,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:47,254 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:47,259 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:56:47,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,266 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,270 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 [2023-11-26 11:56:47,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:47,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:47,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:47,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:56:47,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:47,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:47,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,314 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,330 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 [2023-11-26 11:56:47,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:56:47,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:47,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:47,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:47,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:47,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:47,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,381 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:56:47,385 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 [2023-11-26 11:56:47,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:47,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:47,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:47,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:47,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:47,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:47,430 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-26 11:56:47,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,446 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 [2023-11-26 11:56:47,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:56:47,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,460 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 11:56:47,465 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-26 11:56:47,466 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-26 11:56:47,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:47,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:47,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,504 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:56:47,507 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 [2023-11-26 11:56:47,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,520 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 11:56:47,525 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-26 11:56:47,525 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-26 11:56:47,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:47,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-26 11:56:47,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,549 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,558 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 [2023-11-26 11:56:47,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:47,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,572 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 11:56:47,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:56:47,576 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 11:56:47,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:47,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:47,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:47,601 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-26 11:56:47,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,610 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:56:47,617 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 [2023-11-26 11:56:47,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,631 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 11:56:47,636 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 11:56:47,636 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:56:47,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:47,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:47,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,657 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,666 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 [2023-11-26 11:56:47,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,680 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 11:56:47,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:56:47,690 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 11:56:47,690 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:56:47,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:47,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:47,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,716 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:56:47,720 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 [2023-11-26 11:56:47,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:47,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:47,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:47,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:47,734 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 11:56:47,746 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 11:56:47,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:47,765 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:56:47,773 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-26 11:56:47,774 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 11:56:47,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:47,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:47,804 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:47,810 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:56:47,810 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 11:56:47,810 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:56:47,811 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = -1*ULTIMATE.start_main_~d1~0#1 - 1*ULTIMATE.start_main_~d2~0#1 f1 = -1*ULTIMATE.start_main_~d1~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 f2 = 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-26 11:56:47,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:56:47,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-26 11:56:47,822 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 11:56:47,838 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then 2 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 1 else 0)) could not be translated [2023-11-26 11:56:47,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then -1 * ~d2~0 + -1 * ~d1~0 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 2 * ~x~0 + -1 * ~d1~0 + 1 else ~x~0 + 1)) could not be translated [2023-11-26 11:56:47,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:47,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:47,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:47,915 WARN L260 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:56:47,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:47,968 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-26 11:56:47,971 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) 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) [2023-11-26 11:56:48,033 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 3.0) 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) Result 20 states and 25 transitions. Complement of second has 6 states. [2023-11-26 11:56:48,036 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 [2023-11-26 11:56:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) 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) [2023-11-26 11:56:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-11-26 11:56:48,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 1 letters. [2023-11-26 11:56:48,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:48,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 1 letters. [2023-11-26 11:56:48,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:48,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-26 11:56:48,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:48,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2023-11-26 11:56:48,048 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:56:48,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2023-11-26 11:56:48,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:56:48,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:56:48,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:56:48,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:48,052 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:56:48,053 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:56:48,053 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:56:48,053 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:56:48,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:56:48,053 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:56:48,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:56:48,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:56:48 BoogieIcfgContainer [2023-11-26 11:56:48,061 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:56:48,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:56:48,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:56:48,062 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:56:48,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:41" (3/4) ... [2023-11-26 11:56:48,064 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:56:48,065 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:56:48,066 INFO L158 Benchmark]: Toolchain (without parser) took 6725.14ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 67.3MB in the beginning and 76.0MB in the end (delta: -8.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-26 11:56:48,066 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:56:48,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.31ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 67.0MB in the beginning and 129.2MB in the end (delta: -62.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-26 11:56:48,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.03ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 127.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:48,068 INFO L158 Benchmark]: Boogie Preprocessor took 30.47ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 126.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:56:48,069 INFO L158 Benchmark]: RCFGBuilder took 353.97ms. Allocated memory is still 165.7MB. Free memory was 126.3MB in the beginning and 117.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:56:48,070 INFO L158 Benchmark]: BuchiAutomizer took 6072.00ms. Allocated memory is still 165.7MB. Free memory was 117.3MB in the beginning and 76.9MB in the end (delta: 40.3MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-26 11:56:48,070 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 165.7MB. Free memory was 76.9MB in the beginning and 76.0MB in the end (delta: 932.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:48,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.31ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 67.0MB in the beginning and 129.2MB in the end (delta: -62.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.03ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 127.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.47ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 126.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.97ms. Allocated memory is still 165.7MB. Free memory was 126.3MB in the beginning and 117.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6072.00ms. Allocated memory is still 165.7MB. Free memory was 117.3MB in the beginning and 76.9MB in the end (delta: 40.3MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 165.7MB. Free memory was 76.9MB in the beginning and 76.0MB in the end (delta: 932.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then 2 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 1 else 0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then -1 * ~d2~0 + -1 * ~d1~0 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 2 * ~x~0 + -1 * ~d1~0 + 1 else ~x~0 + 1)) could not be translated * 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 3-nested ranking function null, null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq195 hnf91 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:56:48,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:48,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f086774a-ed99-45eb-b1ca-4da8d8f1b958/bin/uautomizer-verify-VRDe98Ueme/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