./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:12:45,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:12:45,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 02:12:45,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:12:45,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:12:46,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:12:46,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:12:46,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:12:46,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:12:46,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:12:46,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:12:46,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:12:46,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:12:46,050 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:12:46,051 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:12:46,051 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:12:46,051 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:12:46,052 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:12:46,052 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:12:46,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:12:46,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:12:46,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:12:46,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:12:46,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:12:46,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:12:46,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:12:46,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:12:46,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:12:46,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:12:46,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:12:46,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:12:46,054 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:12:46,054 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:12:46,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:12:46,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:12:46,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:12:46,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:12:46,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:12:46,056 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:12:46,056 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_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb [2024-11-28 02:12:46,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:12:46,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:12:46,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:12:46,414 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:12:46,415 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:12:46,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2024-11-28 02:12:49,505 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/data/1b4d8554d/38cedc137d7f499aa3d0cfb1c74f7f59/FLAGa3e0aeb55 [2024-11-28 02:12:49,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:12:49,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2024-11-28 02:12:49,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/data/1b4d8554d/38cedc137d7f499aa3d0cfb1c74f7f59/FLAGa3e0aeb55 [2024-11-28 02:12:50,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/data/1b4d8554d/38cedc137d7f499aa3d0cfb1c74f7f59 [2024-11-28 02:12:50,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:12:50,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:12:50,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:12:50,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:12:50,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:12:50,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521d1dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50, skipping insertion in model container [2024-11-28 02:12:50,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:12:50,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:12:50,329 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:12:50,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:12:50,365 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:12:50,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50 WrapperNode [2024-11-28 02:12:50,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:12:50,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:12:50,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:12:50,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:12:50,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,411 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 24 [2024-11-28 02:12:50,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:12:50,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:12:50,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:12:50,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:12:50,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,436 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:12:50,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,438 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:12:50,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:12:50,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:12:50,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:12:50,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (1/1) ... [2024-11-28 02:12:50,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:50,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:50,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:12:50,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:12:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:12:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:12:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:12:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:12:50,595 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:12:50,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:12:50,683 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-28 02:12:50,683 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:12:50,693 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:12:50,693 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:12:50,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:12:50 BoogieIcfgContainer [2024-11-28 02:12:50,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:12:50,695 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:12:50,695 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:12:50,702 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:12:50,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:12:50,703 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:12:50" (1/3) ... [2024-11-28 02:12:50,704 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14c869c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:12:50, skipping insertion in model container [2024-11-28 02:12:50,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:12:50,705 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:12:50" (2/3) ... [2024-11-28 02:12:50,705 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14c869c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:12:50, skipping insertion in model container [2024-11-28 02:12:50,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:12:50,705 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:12:50" (3/3) ... [2024-11-28 02:12:50,706 INFO L363 chiAutomizerObserver]: Analyzing ICFG test_while_int.c_1.i [2024-11-28 02:12:50,786 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:12:50,786 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:12:50,786 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:12:50,786 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:12:50,786 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:12:50,786 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:12:50,787 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:12:50,787 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:12:50,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:12:50,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:12:50,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:12:50,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:12:50,821 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:12:50,821 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 02:12:50,821 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:12:50,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:12:50,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 02:12:50,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:12:50,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:12:50,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:12:50,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 02:12:50,833 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_~i~0#1;main_~i~0#1 := 0;" [2024-11-28 02:12:50,833 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;" "main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" "assume 3 != main_~i~0#1;" [2024-11-28 02:12:50,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:12:50,845 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 02:12:50,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:12:50,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333619582] [2024-11-28 02:12:50,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:12:50,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:12:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:12:50,953 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:12:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:12:50,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:12:50,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:12:50,979 INFO L85 PathProgramCache]: Analyzing trace with hash 37866, now seen corresponding path program 1 times [2024-11-28 02:12:50,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:12:50,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085941795] [2024-11-28 02:12:50,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:12:50,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:12:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:12:50,989 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:12:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:12:50,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:12:50,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:12:50,995 INFO L85 PathProgramCache]: Analyzing trace with hash 28696808, now seen corresponding path program 1 times [2024-11-28 02:12:50,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:12:50,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085787029] [2024-11-28 02:12:50,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:12:50,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:12:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:12:51,008 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:12:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:12:51,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:12:51,088 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:12:51,088 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:12:51,089 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:12:51,089 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:12:51,089 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:12:51,089 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:51,089 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:12:51,089 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:12:51,089 INFO L132 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2024-11-28 02:12:51,090 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:12:51,090 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:12:51,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:12:51,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:12:51,239 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:12:51,240 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:12:51,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:51,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:51,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:12:51,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 02:12:51,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:12:51,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:12:51,274 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:12:51,274 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:12:51,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 02:12:51,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:51,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:51,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:12:51,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:12:51,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:12:51,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:12:51,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 02:12:51,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:51,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:51,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:12:51,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:12:51,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:12:51,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:12:51,400 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:12:51,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:12:51,404 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:12:51,404 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:12:51,404 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:12:51,404 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:12:51,404 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:12:51,404 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:51,404 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:12:51,404 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:12:51,404 INFO L132 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2024-11-28 02:12:51,404 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:12:51,404 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:12:51,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:12:51,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:12:51,542 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:12:51,547 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:12:51,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:51,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:51,551 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:12:51,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:12:51,554 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 [2024-11-28 02:12:51,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:12:51,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:12:51,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:12:51,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:12:51,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:12:51,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:12:51,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:12:51,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:12:51,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 02:12:51,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:51,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:51,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:12:51,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:12:51,596 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 [2024-11-28 02:12:51,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:12:51,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:12:51,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:12:51,612 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 02:12:51,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:12:51,614 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:12:51,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:12:51,620 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:12:51,627 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:12:51,631 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 02:12:51,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:12:51,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:12:51,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:12:51,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:12:51,641 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:12:51,641 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:12:51,641 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:12:51,642 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 9 Supporting invariants [] [2024-11-28 02:12:51,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 02:12:51,661 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:12:51,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:12:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:12:51,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:12:51,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:12:51,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 02:12:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:12:51,794 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:12:51,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:12:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:12:51,927 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:12:51,929 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:12:52,008 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 32 transitions. Complement of second has 8 states. [2024-11-28 02:12:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:12:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:12:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2024-11-28 02:12:52,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-28 02:12:52,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:12:52,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-28 02:12:52,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:12:52,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-28 02:12:52,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:12:52,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2024-11-28 02:12:52,036 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:12:52,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-11-28 02:12:52,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:12:52,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:12:52,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:12:52,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:12:52,042 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:12:52,042 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:12:52,042 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:12:52,042 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:12:52,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:12:52,043 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:12:52,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:12:52,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:12:52 BoogieIcfgContainer [2024-11-28 02:12:52,054 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:12:52,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:12:52,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:12:52,055 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:12:52,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:12:50" (3/4) ... [2024-11-28 02:12:52,059 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:12:52,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:12:52,063 INFO L158 Benchmark]: Toolchain (without parser) took 1990.67ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-28 02:12:52,064 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:12:52,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.43ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:12:52,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.70ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:12:52,065 INFO L158 Benchmark]: Boogie Preprocessor took 33.50ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:12:52,065 INFO L158 Benchmark]: RCFGBuilder took 248.21ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 71.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:12:52,065 INFO L158 Benchmark]: BuchiAutomizer took 1358.77ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 80.6MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:12:52,066 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:12:52,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.43ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.6MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.70ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.50ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.21ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 71.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1358.77ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 80.6MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 21.0kB). 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 long) -2 * i) + 9) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf156 smp91 tf106 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 52ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:12:52,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ac19bb-f8bb-4167-ac39-a2a7c0ded96e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE