./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX --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 8c2916cfd8b9eac84aed1a0200b7c85f98fa5a73eb26a0e552578a292fc3c330 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:41:57,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:41:57,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-08 16:41:57,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:41:57,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:41:57,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:41:57,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:41:57,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:41:57,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:41:57,343 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:41:57,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:41:57,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:41:57,347 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:41:57,347 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:41:57,348 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:41:57,352 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:41:57,352 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:41:57,352 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:41:57,353 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:41:57,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:41:57,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:41:57,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:41:57,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:41:57,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:41:57,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:41:57,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:41:57,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:41:57,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:41:57,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:41:57,359 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:41:57,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:41:57,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:41:57,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:41:57,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:41:57,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:41:57,362 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:41:57,362 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c2916cfd8b9eac84aed1a0200b7c85f98fa5a73eb26a0e552578a292fc3c330 [2024-11-08 16:41:57,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:41:57,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:41:57,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:41:57,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:41:57,810 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:41:57,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-restricted-15/PastaB1.c Unable to find full path for "g++" [2024-11-08 16:42:00,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:42:00,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:42:00,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/sv-benchmarks/c/termination-restricted-15/PastaB1.c [2024-11-08 16:42:00,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/data/dcd719d8e/be8b0fe2a0d24cd9a771cc0d0c07865d/FLAG0a53119bf [2024-11-08 16:42:00,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/data/dcd719d8e/be8b0fe2a0d24cd9a771cc0d0c07865d [2024-11-08 16:42:00,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:42:00,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:42:00,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:42:00,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:42:00,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:42:00,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52348bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00, skipping insertion in model container [2024-11-08 16:42:00,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:42:00,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:42:00,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:42:00,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:42:00,639 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:42:00,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00 WrapperNode [2024-11-08 16:42:00,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:42:00,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:42:00,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:42:00,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:42:00,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,680 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-08 16:42:00,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:42:00,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:42:00,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:42:00,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:42:00,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,698 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,706 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:42:00,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:42:00,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:42:00,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:42:00,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:42:00,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (1/1) ... [2024-11-08 16:42:00,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:00,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:00,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:00,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:42:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:42:00,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:42:00,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:42:00,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:42:01,019 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 16:42:01,019 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:42:01,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:42:01,048 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:42:01,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:42:01 BoogieIcfgContainer [2024-11-08 16:42:01,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:42:01,051 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:42:01,051 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:42:01,057 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:42:01,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:42:01,059 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:42:00" (1/3) ... [2024-11-08 16:42:01,061 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7aa4814c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:42:01, skipping insertion in model container [2024-11-08 16:42:01,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:42:01,062 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:42:00" (2/3) ... [2024-11-08 16:42:01,064 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7aa4814c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:42:01, skipping insertion in model container [2024-11-08 16:42:01,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:42:01,065 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:42:01" (3/3) ... [2024-11-08 16:42:01,067 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaB1.c [2024-11-08 16:42:01,164 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:42:01,164 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:42:01,165 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:42:01,165 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:42:01,165 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:42:01,166 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:42:01,166 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:42:01,167 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:42:01,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-11-08 16:42:01,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 16:42:01,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:42:01,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:42:01,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 16:42:01,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 16:42:01,208 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 16:42:01,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-11-08 16:42:01,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 16:42:01,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:42:01,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:42:01,211 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 16:42:01,212 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 16:42:01,222 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L11-3true [2024-11-08 16:42:01,222 INFO L747 eck$LassoCheckResult]: Loop: 8#L11-3true assume main_~x~0#1 > main_~y~0#1; 4#L11-1true assume !!(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := main_~x~0#1 - 1; 8#L11-3true [2024-11-08 16:42:01,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:01,231 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-08 16:42:01,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:01,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691145228] [2024-11-08 16:42:01,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:01,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:42:01,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:42:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:42:01,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:42:01,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1158, now seen corresponding path program 1 times [2024-11-08 16:42:01,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:01,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182455032] [2024-11-08 16:42:01,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:01,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:42:01,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:42:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:42:01,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:42:01,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:01,504 INFO L85 PathProgramCache]: Analyzing trace with hash 925640, now seen corresponding path program 1 times [2024-11-08 16:42:01,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:42:01,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828149582] [2024-11-08 16:42:01,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:42:01,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:42:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:42:01,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:42:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:42:01,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:42:01,620 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:42:01,620 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:42:01,621 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:42:01,621 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:42:01,621 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 16:42:01,621 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:01,622 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:42:01,622 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:42:01,622 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB1.c_Iteration1_Loop [2024-11-08 16:42:01,622 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:42:01,623 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:42:01,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:42:01,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:42:01,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:42:01,758 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:42:01,759 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 16:42:01,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:01,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:01,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 16:42:01,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:42:01,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:42:01,812 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:42:01,812 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: [] [2024-11-08 16:42:01,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-08 16:42:01,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:01,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:01,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:01,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 16:42:01,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:42:01,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:42:01,860 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:42:01,860 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: [] [2024-11-08 16:42:01,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-08 16:42:01,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:01,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:01,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:01,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 16:42:01,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:42:01,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:42:01,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-08 16:42:01,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:01,936 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:01,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 16:42:01,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 16:42:01,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:42:02,127 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 16:42:02,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-08 16:42:02,131 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:42:02,132 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:42:02,132 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:42:02,132 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:42:02,132 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 16:42:02,132 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:02,132 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:42:02,132 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:42:02,133 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB1.c_Iteration1_Loop [2024-11-08 16:42:02,133 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:42:02,133 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:42:02,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:42:02,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:42:02,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:42:02,236 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:42:02,242 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 16:42:02,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:02,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:02,247 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:02,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 16:42:02,253 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 [2024-11-08 16:42:02,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:42:02,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:42:02,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:42:02,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:42:02,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:42:02,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:42:02,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:42:02,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-08 16:42:02,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:02,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:02,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:02,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 16:42:02,320 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 [2024-11-08 16:42:02,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:42:02,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:42:02,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:42:02,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:42:02,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:42:02,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:42:02,347 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:42:02,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-08 16:42:02,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:02,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:02,373 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:02,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-08 16:42:02,376 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 [2024-11-08 16:42:02,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:42:02,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:42:02,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:42:02,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:42:02,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:42:02,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:42:02,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:42:02,397 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 16:42:02,404 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-08 16:42:02,404 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 16:42:02,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:42:02,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:42:02,416 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:42:02,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-08 16:42:02,419 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 16:42:02,420 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 16:42:02,420 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 16:42:02,420 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-08 16:42:02,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-08 16:42:02,449 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 16:42:02,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:42:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:02,520 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:42:02,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:42:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:42:02,543 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:42:02,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:42:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:42:02,634 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 [2024-11-08 16:42:02,635 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-08 16:42:02,746 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 14 states and 16 transitions. Complement of second has 6 states. [2024-11-08 16:42:02,749 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 [2024-11-08 16:42:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-08 16:42:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-08 16:42:02,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-08 16:42:02,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:42:02,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-08 16:42:02,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:42:02,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-08 16:42:02,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:42:02,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2024-11-08 16:42:02,766 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 16:42:02,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-08 16:42:02,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 16:42:02,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 16:42:02,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 16:42:02,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:42:02,772 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:42:02,772 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:42:02,773 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:42:02,773 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 16:42:02,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:42:02,774 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 16:42:02,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 16:42:02,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:42:02 BoogieIcfgContainer [2024-11-08 16:42:02,784 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:42:02,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:42:02,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:42:02,786 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:42:02,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:42:01" (3/4) ... [2024-11-08 16:42:02,791 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:42:02,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:42:02,795 INFO L158 Benchmark]: Toolchain (without parser) took 2479.73ms. Allocated memory is still 205.5MB. Free memory was 150.3MB in the beginning and 135.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-08 16:42:02,795 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 125.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:42:02,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.70ms. Allocated memory is still 205.5MB. Free memory was 150.1MB in the beginning and 138.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:42:02,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.32ms. Allocated memory is still 205.5MB. Free memory was 138.9MB in the beginning and 137.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:42:02,798 INFO L158 Benchmark]: Boogie Preprocessor took 39.72ms. Allocated memory is still 205.5MB. Free memory was 137.7MB in the beginning and 136.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:42:02,799 INFO L158 Benchmark]: RCFGBuilder took 327.63ms. Allocated memory is still 205.5MB. Free memory was 136.2MB in the beginning and 127.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 16:42:02,800 INFO L158 Benchmark]: BuchiAutomizer took 1733.87ms. Allocated memory is still 205.5MB. Free memory was 127.2MB in the beginning and 136.3MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:42:02,801 INFO L158 Benchmark]: Witness Printer took 7.62ms. Allocated memory is still 205.5MB. Free memory was 136.3MB in the beginning and 135.9MB in the end (delta: 424.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:42:02,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 125.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.70ms. Allocated memory is still 205.5MB. Free memory was 150.1MB in the beginning and 138.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.32ms. Allocated memory is still 205.5MB. Free memory was 138.9MB in the beginning and 137.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.72ms. Allocated memory is still 205.5MB. Free memory was 137.7MB in the beginning and 136.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.63ms. Allocated memory is still 205.5MB. Free memory was 136.2MB in the beginning and 127.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1733.87ms. Allocated memory is still 205.5MB. Free memory was 127.2MB in the beginning and 136.3MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.62ms. Allocated memory is still 205.5MB. Free memory was 136.3MB in the beginning and 135.9MB in the end (delta: 424.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * y) + x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax200 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2024-11-08 16:42:02,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-08 16:42:03,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d99d634-cea6-480b-a0dc-13102192b768/bin/uautomizer-verify-jihMAELWvX/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