./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB --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 af8e82454aa21445af9cfd1f5b129d72eb611482c0d2720e1036f8b2ab15d2d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:34:53,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:34:53,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-27 20:34:53,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:34:53,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:34:53,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:34:53,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:34:53,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:34:53,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:34:53,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:34:53,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:34:53,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:34:53,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:34:53,593 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:34:53,593 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:34:53,593 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:34:53,593 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:34:53,593 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:34:53,593 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:34:53,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:34:53,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:34:53,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:34:53,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:34:53,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:34:53,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:34:53,595 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:34:53,595 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB 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 -> af8e82454aa21445af9cfd1f5b129d72eb611482c0d2720e1036f8b2ab15d2d6 [2024-11-27 20:34:53,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:34:53,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:34:53,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:34:53,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:34:53,954 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:34:53,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-restricted-15/PastaB16.c [2024-11-27 20:34:57,003 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/data/197ae6997/5186651982c14d86a1f06c8273aadab6/FLAGf7c326a57 [2024-11-27 20:34:57,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:34:57,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/sv-benchmarks/c/termination-restricted-15/PastaB16.c [2024-11-27 20:34:57,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/data/197ae6997/5186651982c14d86a1f06c8273aadab6/FLAGf7c326a57 [2024-11-27 20:34:57,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/data/197ae6997/5186651982c14d86a1f06c8273aadab6 [2024-11-27 20:34:57,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:34:57,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:34:57,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:34:57,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:34:57,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:34:57,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a99d911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57, skipping insertion in model container [2024-11-27 20:34:57,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:34:57,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:34:57,581 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:34:57,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:34:57,607 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:34:57,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57 WrapperNode [2024-11-27 20:34:57,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:34:57,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:34:57,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:34:57,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:34:57,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,636 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-27 20:34:57,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:34:57,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:34:57,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:34:57,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:34:57,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,653 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 20:34:57,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,655 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:34:57,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:34:57,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:34:57,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:34:57,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (1/1) ... [2024-11-27 20:34:57,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:57,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:57,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:57,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:34:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:34:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:34:57,801 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:34:57,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:34:57,870 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-27 20:34:57,870 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:34:57,880 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:34:57,881 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:34:57,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:57 BoogieIcfgContainer [2024-11-27 20:34:57,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:34:57,882 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:34:57,883 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:34:57,889 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:34:57,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:34:57,890 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:34:57" (1/3) ... [2024-11-27 20:34:57,891 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dc89b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:34:57, skipping insertion in model container [2024-11-27 20:34:57,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:34:57,892 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:34:57" (2/3) ... [2024-11-27 20:34:57,892 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dc89b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:34:57, skipping insertion in model container [2024-11-27 20:34:57,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:34:57,893 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:57" (3/3) ... [2024-11-27 20:34:57,894 INFO L363 chiAutomizerObserver]: Analyzing ICFG PastaB16.c [2024-11-27 20:34:57,955 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:34:57,955 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:34:57,955 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:34:57,955 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:34:57,956 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:34:57,956 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:34:57,956 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:34:57,956 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:34:57,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:57,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 20:34:57,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:34:57,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:34:57,977 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:34:57,977 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 20:34:57,977 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:34:57,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:57,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 20:34:57,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:34:57,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:34:57,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:34:57,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 20:34:57,986 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2024-11-27 20:34:57,986 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;" "assume !(main_~y~0#1 > 0);" "main_~x~0#1 := main_~x~0#1 - 1;" [2024-11-27 20:34:57,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:57,992 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-27 20:34:57,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:34:58,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944309480] [2024-11-27 20:34:58,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:58,061 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:34:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:58,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:34:58,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:58,087 INFO L85 PathProgramCache]: Analyzing trace with hash 38061, now seen corresponding path program 1 times [2024-11-27 20:34:58,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:34:58,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753329083] [2024-11-27 20:34:58,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:58,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:58,096 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:34:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:58,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:34:58,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash 28697003, now seen corresponding path program 1 times [2024-11-27 20:34:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:34:58,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694014921] [2024-11-27 20:34:58,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:58,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:58,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:34:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:58,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:34:58,213 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:34:58,214 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:34:58,214 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:34:58,215 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:34:58,215 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:34:58,215 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,215 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:34:58,215 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:34:58,215 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration1_Loop [2024-11-27 20:34:58,216 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:34:58,216 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:34:58,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:58,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:58,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:58,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:58,361 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:34:58,361 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 20:34:58,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 20:34:58,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:34:58,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:58,398 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:34:58,398 INFO L401 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: [] [2024-11-27 20:34:58,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:58,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 20:34:58,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:34:58,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:58,441 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:34:58,441 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:34:58,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:58,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:34:58,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:58,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 20:34:58,482 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:34:58,482 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:34:58,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:58,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,493 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 20:34:58,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:34:58,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:58,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:58,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,527 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 20:34:58,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 20:34:58,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:58,568 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 20:34:58,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:58,571 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:34:58,571 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:34:58,571 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:34:58,571 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:34:58,571 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:34:58,571 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,571 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:34:58,572 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:34:58,572 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration1_Loop [2024-11-27 20:34:58,572 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:34:58,572 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:34:58,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:58,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:58,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:58,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:58,687 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:34:58,692 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:34:58,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,695 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:34:58,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 20:34:58,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:34:58,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:34:58,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:34:58,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:34:58,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:34:58,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:34:58,726 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:34:58,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 20:34:58,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,739 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 20:34:58,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:34:58,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:34:58,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:34:58,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:34:58,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:34:58,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:34:58,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:34:58,765 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:34:58,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:58,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,776 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:34:58,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 20:34:58,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:34:58,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:34:58,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:34:58,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:34:58,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:34:58,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:34:58,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:34:58,804 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:34:58,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:58,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,815 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 20:34:58,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:34:58,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:34:58,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:34:58,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:34:58,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:34:58,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:34:58,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:34:58,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:34:58,841 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:34:58,849 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-27 20:34:58,851 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-27 20:34:58,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:58,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:58,857 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:58,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 20:34:58,859 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:34:58,859 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 20:34:58,859 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:34:58,860 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-27 20:34:58,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-27 20:34:58,876 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 20:34:58,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:58,911 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:34:58,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:34:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:58,938 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:34:58,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:34:58,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:59,014 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 20:34:59,016 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:59,064 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 23 states and 34 transitions. Complement of second has 6 states. [2024-11-27 20:34:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:34:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-27 20:34:59,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-27 20:34:59,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:34:59,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-27 20:34:59,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:34:59,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-27 20:34:59,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:34:59,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 34 transitions. [2024-11-27 20:34:59,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-27 20:34:59,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 10 states and 13 transitions. [2024-11-27 20:34:59,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-27 20:34:59,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-27 20:34:59,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2024-11-27 20:34:59,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:34:59,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-27 20:34:59,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2024-11-27 20:34:59,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-27 20:34:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:59,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-27 20:34:59,111 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-27 20:34:59,111 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-27 20:34:59,111 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:34:59,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-27 20:34:59,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-27 20:34:59,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:34:59,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:34:59,113 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-27 20:34:59,113 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 20:34:59,113 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 > 0;" [2024-11-27 20:34:59,113 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~y~0#1 > 0;" "main_~y~0#1 := main_~y~0#1 - 1;" [2024-11-27 20:34:59,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:59,116 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 1 times [2024-11-27 20:34:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:34:59,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342190499] [2024-11-27 20:34:59,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:59,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:59,121 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:34:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:59,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:34:59,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:59,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1477, now seen corresponding path program 1 times [2024-11-27 20:34:59,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:34:59,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133760494] [2024-11-27 20:34:59,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:59,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:59,137 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:34:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:59,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:34:59,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:59,144 INFO L85 PathProgramCache]: Analyzing trace with hash 28696937, now seen corresponding path program 1 times [2024-11-27 20:34:59,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:34:59,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222709333] [2024-11-27 20:34:59,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:34:59,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:34:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:59,155 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:34:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:34:59,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:34:59,189 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:34:59,190 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:34:59,190 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:34:59,190 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:34:59,190 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:34:59,191 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,191 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:34:59,191 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:34:59,191 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration2_Loop [2024-11-27 20:34:59,191 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:34:59,191 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:34:59,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:59,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:59,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:59,285 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:34:59,285 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 20:34:59,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:59,288 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:59,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 20:34:59,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:34:59,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:59,319 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:34:59,319 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:34:59,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-27 20:34:59,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:59,331 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:59,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 20:34:59,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:34:59,335 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:59,361 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:34:59,361 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:34:59,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:59,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:59,373 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:59,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 20:34:59,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:34:59,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:59,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:59,407 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:59,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 20:34:59,410 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 20:34:59,410 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:34:59,442 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 20:34:59,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-27 20:34:59,448 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:34:59,448 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:34:59,448 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:34:59,448 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:34:59,448 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:34:59,448 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,448 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:34:59,448 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:34:59,448 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration2_Loop [2024-11-27 20:34:59,448 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:34:59,448 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:34:59,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:59,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:59,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:34:59,525 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:34:59,525 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:34:59,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:59,528 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:59,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 20:34:59,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:34:59,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:34:59,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:34:59,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:34:59,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:34:59,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:34:59,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:34:59,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:34:59,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-27 20:34:59,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:59,567 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:59,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 20:34:59,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:34:59,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:34:59,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:34:59,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:34:59,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:34:59,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:34:59,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:34:59,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:34:59,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-27 20:34:59,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:59,606 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:59,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 20:34:59,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:34:59,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:34:59,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:34:59,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:34:59,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:34:59,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:34:59,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:34:59,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:34:59,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:34:59,631 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-27 20:34:59,631 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-27 20:34:59,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:34:59,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:34:59,633 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:34:59,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 20:34:59,638 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:34:59,638 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 20:34:59,638 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:34:59,638 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-27 20:34:59,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-27 20:34:59,648 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 20:34:59,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:34:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:59,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:34:59,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:34:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:34:59,680 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:34:59,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:34:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:34:59,700 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 20:34:59,701 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:59,726 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 19 states and 26 transitions. Complement of second has 6 states. [2024-11-27 20:34:59,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-27 20:34:59,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:34:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-27 20:34:59,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-27 20:34:59,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:34:59,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-27 20:34:59,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:34:59,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-27 20:34:59,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:34:59,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2024-11-27 20:34:59,734 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:34:59,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2024-11-27 20:34:59,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 20:34:59,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 20:34:59,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 20:34:59,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:34:59,737 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:34:59,737 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:34:59,737 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:34:59,737 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 20:34:59,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:34:59,737 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:34:59,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 20:34:59,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:34:59 BoogieIcfgContainer [2024-11-27 20:34:59,748 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:34:59,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:34:59,749 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:34:59,749 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:34:59,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:34:57" (3/4) ... [2024-11-27 20:34:59,752 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:34:59,752 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:34:59,754 INFO L158 Benchmark]: Toolchain (without parser) took 2367.91ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 87.9MB in the end (delta: 31.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-27 20:34:59,754 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:34:59,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.55ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 109.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:34:59,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.93ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 108.7MB in the end (delta: 751.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:34:59,758 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:34:59,758 INFO L158 Benchmark]: RCFGBuilder took 214.87ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 99.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:34:59,758 INFO L158 Benchmark]: BuchiAutomizer took 1865.50ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 88.5MB in the end (delta: 10.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-27 20:34:59,758 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 87.9MB in the end (delta: 528.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:34:59,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.55ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 109.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.93ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 108.7MB in the end (delta: 751.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 214.87ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 99.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1865.50ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 88.5MB in the end (delta: 10.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 87.9MB in the end (delta: 528.3kB). 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 10 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax206 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 20:34:59,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-27 20:34:59,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92bceeb7-1cf6-4aaa-a8fb-eaeeb8e9fcb7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE