./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:21:19,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:21:19,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 16:21:19,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:21:19,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:21:19,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:21:19,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:21:19,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:21:19,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:21:19,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:21:19,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:21:19,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:21:19,644 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:21:19,644 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 16:21:19,644 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 16:21:19,645 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 16:21:19,645 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 16:21:19,646 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 16:21:19,646 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 16:21:19,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:21:19,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 16:21:19,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:21:19,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:21:19,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:21:19,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:21:19,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 16:21:19,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 16:21:19,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 16:21:19,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:21:19,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:21:19,648 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:21:19,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:21:19,648 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 16:21:19,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:21:19,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:21:19,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:21:19,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:21:19,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:21:19,649 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 16:21:19,649 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_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 [2024-11-13 16:21:19,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:21:20,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:21:20,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:21:20,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:21:20,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:21:20,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-acceleration/array_1-2.c Unable to find full path for "g++" [2024-11-13 16:21:22,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:21:22,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:21:22,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/sv-benchmarks/c/loop-acceleration/array_1-2.c [2024-11-13 16:21:22,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/data/81228542a/78f49043736e491dbaa9343abe74de76/FLAG023697774 [2024-11-13 16:21:22,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/data/81228542a/78f49043736e491dbaa9343abe74de76 [2024-11-13 16:21:22,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:21:22,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:21:22,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:21:22,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:21:22,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:21:22,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585821ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22, skipping insertion in model container [2024-11-13 16:21:22,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:21:22,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:21:22,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:21:22,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:21:22,845 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:21:22,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22 WrapperNode [2024-11-13 16:21:22,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:21:22,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:21:22,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:21:22,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:21:22,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,885 INFO L138 Inliner]: procedures = 13, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-13 16:21:22,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:21:22,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:21:22,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:21:22,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:21:22,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,902 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,925 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-13 16:21:22,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:21:22,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:21:22,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:21:22,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:21:22,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (1/1) ... [2024-11-13 16:21:22,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:22,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:22,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:22,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 16:21:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:21:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:21:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:21:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:21:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:21:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 16:21:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:21:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:21:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:21:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 16:21:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:21:23,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:21:23,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:21:23,297 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:21:23,297 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:21:23,309 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:21:23,309 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:21:23,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:23 BoogieIcfgContainer [2024-11-13 16:21:23,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:21:23,311 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 16:21:23,311 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 16:21:23,317 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 16:21:23,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:21:23,318 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 04:21:22" (1/3) ... [2024-11-13 16:21:23,321 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4de9923f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:21:23, skipping insertion in model container [2024-11-13 16:21:23,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:21:23,322 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:22" (2/3) ... [2024-11-13 16:21:23,322 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4de9923f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:21:23, skipping insertion in model container [2024-11-13 16:21:23,322 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:21:23,323 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:23" (3/3) ... [2024-11-13 16:21:23,324 INFO L333 chiAutomizerObserver]: Analyzing ICFG array_1-2.c [2024-11-13 16:21:23,407 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 16:21:23,407 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 16:21:23,408 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 16:21:23,408 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 16:21:23,408 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 16:21:23,408 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 16:21:23,408 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 16:21:23,408 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 16:21:23,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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) [2024-11-13 16:21:23,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 16:21:23,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:21:23,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:21:23,442 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 16:21:23,442 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 16:21:23,442 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 16:21:23,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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) [2024-11-13 16:21:23,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 16:21:23,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:21:23,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:21:23,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 16:21:23,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 16:21:23,457 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_#t~mem5#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0#1;main_~i~0#1 := 0; 7#L16-2true [2024-11-13 16:21:23,457 INFO L747 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(main_~i~0#1 < 1024);call write~int#1(main_~i~0#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7#L16-2true [2024-11-13 16:21:23,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:23,464 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 16:21:23,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:21:23,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537052275] [2024-11-13 16:21:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:23,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:21:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:21:23,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:21:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:21:23,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:21:23,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:23,672 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2024-11-13 16:21:23,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:21:23,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309387276] [2024-11-13 16:21:23,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:23,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:21:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:21:23,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:21:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:21:23,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:21:23,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:23,714 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 16:21:23,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:21:23,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901942363] [2024-11-13 16:21:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:23,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:21:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:21:23,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:21:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:21:23,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:21:24,373 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:21:24,374 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:21:24,375 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:21:24,375 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:21:24,375 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:21:24,375 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:24,376 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:21:24,377 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:21:24,377 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_1-2.c_Iteration1_Lasso [2024-11-13 16:21:24,377 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:21:24,378 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:21:24,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:21:24,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:21:24,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:21:24,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:21:24,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:21:25,125 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:21:25,129 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:21:25,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:25,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:25,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:25,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 16:21:25,138 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 [2024-11-13 16:21:25,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:21:25,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:21:25,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:21:25,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:21:25,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:21:25,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:21:25,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:21:25,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 16:21:25,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:25,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:25,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:25,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 16:21:25,199 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 [2024-11-13 16:21:25,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:21:25,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:21:25,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:21:25,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:21:25,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:21:25,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:21:25,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:21:25,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 16:21:25,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:25,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:25,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:25,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 16:21:25,255 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 [2024-11-13 16:21:25,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:21:25,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:21:25,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:21:25,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:21:25,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:21:25,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:21:25,279 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:21:25,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 16:21:25,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:25,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:25,299 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:25,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 16:21:25,304 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 [2024-11-13 16:21:25,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:21:25,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:21:25,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:21:25,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:21:25,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:21:25,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:21:25,335 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:21:25,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 16:21:25,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:25,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:25,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:25,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 16:21:25,352 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 [2024-11-13 16:21:25,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:21:25,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:21:25,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:21:25,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:21:25,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:21:25,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:21:25,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:21:25,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 16:21:25,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:25,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:25,395 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:25,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 16:21:25,398 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 [2024-11-13 16:21:25,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:21:25,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:21:25,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:21:25,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:21:25,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:21:25,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:21:25,431 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:21:25,458 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 16:21:25,461 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-13 16:21:25,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:21:25,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:25,474 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:25,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 16:21:25,478 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:21:25,494 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 16:21:25,494 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:21:25,494 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 2047*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-13 16:21:25,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:25,526 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-11-13 16:21:25,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 16:21:25,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 16:21:25,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:25,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:21:25,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:25,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:21:25,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:21:25,652 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 16:21:25,655 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-11-13 16:21:25,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 16:21:25,702 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 24 transitions. Complement of second has 4 states. [2024-11-13 16:21:25,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 16:21:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-11-13 16:21:25,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 16:21:25,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 2 letters. Loop has 1 letters. [2024-11-13 16:21:25,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:21:25,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-13 16:21:25,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:21:25,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-13 16:21:25,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:21:25,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2024-11-13 16:21:25,728 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:21:25,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-11-13 16:21:25,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 16:21:25,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 16:21:25,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 16:21:25,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 16:21:25,732 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:21:25,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:21:25,733 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:21:25,733 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 16:21:25,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:21:25,733 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:21:25,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 16:21:25,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 04:21:25 BoogieIcfgContainer [2024-11-13 16:21:25,747 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 16:21:25,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:21:25,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:21:25,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:21:25,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:23" (3/4) ... [2024-11-13 16:21:25,750 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:21:25,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:21:25,752 INFO L158 Benchmark]: Toolchain (without parser) took 3226.53ms. Allocated memory was 503.3MB in the beginning and 117.4MB in the end (delta: -385.9MB). Free memory was 480.8MB in the beginning and 86.3MB in the end (delta: 394.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-13 16:21:25,752 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:25,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.73ms. Allocated memory was 503.3MB in the beginning and 117.4MB in the end (delta: -385.9MB). Free memory was 480.8MB in the beginning and 84.5MB in the end (delta: 396.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:21:25,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.87ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:25,753 INFO L158 Benchmark]: Boogie Preprocessor took 56.12ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:25,754 INFO L158 Benchmark]: RCFGBuilder took 366.17ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:21:25,754 INFO L158 Benchmark]: BuchiAutomizer took 2435.37ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 86.9MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:25,754 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 86.3MB in the end (delta: 663.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:25,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.73ms. Allocated memory was 503.3MB in the beginning and 117.4MB in the end (delta: -385.9MB). Free memory was 480.8MB in the beginning and 84.5MB in the end (delta: 396.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.87ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.12ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.17ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2435.37ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 86.9MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 86.3MB in the end (delta: 663.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * 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 null and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital127 mio100 ax100 hnf100 lsp88 ukn79 mio100 lsp37 div100 bol100 ite100 ukn100 eq152 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 16:21:25,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69140b50-13ab-4266-8130-cab3ff1f76db/bin/uautomizer-verify-qhAvR1uOyd/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