./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.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_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1 --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 b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:13:15,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:13:15,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 10:13:15,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:13:15,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:13:15,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:13:15,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:13:15,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:13:15,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:13:15,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:13:15,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:13:15,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:13:15,898 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:13:15,898 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 10:13:15,898 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 10:13:15,898 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 10:13:15,898 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 10:13:15,898 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 10:13:15,898 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 10:13:15,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 10:13:15,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:13:15,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:13:15,900 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 10:13:15,900 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:13:15,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:13:15,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:13:15,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:13:15,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:13:15,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 10:13:15,901 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 10:13:15,901 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_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1 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 -> b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 [2024-12-02 10:13:16,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:13:16,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:13:16,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:13:16,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:13:16,134 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:13:16,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2024-12-02 10:13:18,749 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/data/b302e534b/ee14b2647762479cbb592c958f6aec17/FLAG2e602aafc [2024-12-02 10:13:18,962 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:13:18,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2024-12-02 10:13:18,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/data/b302e534b/ee14b2647762479cbb592c958f6aec17/FLAG2e602aafc [2024-12-02 10:13:19,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/data/b302e534b/ee14b2647762479cbb592c958f6aec17 [2024-12-02 10:13:19,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:13:19,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:13:19,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:13:19,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:13:19,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:13:19,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685e81f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19, skipping insertion in model container [2024-12-02 10:13:19,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:13:19,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:13:19,461 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:13:19,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:13:19,490 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:13:19,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19 WrapperNode [2024-12-02 10:13:19,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:13:19,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:13:19,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:13:19,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:13:19,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,516 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-12-02 10:13:19,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:13:19,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:13:19,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:13:19,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:13:19,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,526 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,536 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 3, 1]. [2024-12-02 10:13:19,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,543 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:13:19,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:13:19,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:13:19,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:13:19,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (1/1) ... [2024-12-02 10:13:19,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:19,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:19,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:19,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 10:13:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:13:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:13:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:13:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:13:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:13:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:13:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:13:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:13:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:13:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:13:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:13:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:13:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:13:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:13:19,666 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:13:19,668 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:13:19,799 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 10:13:19,799 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:13:19,806 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:13:19,807 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:13:19,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:13:19 BoogieIcfgContainer [2024-12-02 10:13:19,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:13:19,808 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 10:13:19,808 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 10:13:19,812 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 10:13:19,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:13:19,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 10:13:19" (1/3) ... [2024-12-02 10:13:19,813 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35948eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:13:19, skipping insertion in model container [2024-12-02 10:13:19,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:13:19,814 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:19" (2/3) ... [2024-12-02 10:13:19,814 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35948eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:13:19, skipping insertion in model container [2024-12-02 10:13:19,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:13:19,814 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:13:19" (3/3) ... [2024-12-02 10:13:19,815 INFO L363 chiAutomizerObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i [2024-12-02 10:13:19,856 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 10:13:19,856 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 10:13:19,856 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 10:13:19,856 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 10:13:19,856 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 10:13:19,856 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 10:13:19,857 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 10:13:19,857 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 10:13:19,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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) [2024-12-02 10:13:19,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-12-02 10:13:19,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:13:19,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:13:19,876 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 10:13:19,876 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 10:13:19,877 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 10:13:19,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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) [2024-12-02 10:13:19,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-12-02 10:13:19,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:13:19,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:13:19,878 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 10:13:19,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 10:13:19,884 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_~q~0#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0;" [2024-12-02 10:13:19,884 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100000;" "havoc main_#t~nondet1#1;main_~q~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);" "assume !(0 == main_~q~0#1);" "call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);" "assume !(0 != main_#t~mem2#1);havoc main_#t~mem2#1;" "havoc main_~q~0#1;main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" [2024-12-02 10:13:19,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:19,889 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-12-02 10:13:19,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:13:19,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896421200] [2024-12-02 10:13:19,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:13:19,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:13:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:13:19,965 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:13:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:13:19,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:13:19,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:19,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1128144809, now seen corresponding path program 1 times [2024-12-02 10:13:19,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:13:19,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205050398] [2024-12-02 10:13:19,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:13:19,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:13:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:13:20,001 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:13:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:13:20,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:13:20,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:20,012 INFO L85 PathProgramCache]: Analyzing trace with hash 208194027, now seen corresponding path program 1 times [2024-12-02 10:13:20,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:13:20,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760706173] [2024-12-02 10:13:20,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:13:20,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:13:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:13:20,038 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:13:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:13:20,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:13:20,427 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:13:20,427 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:13:20,428 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:13:20,428 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:13:20,428 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 10:13:20,428 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:20,428 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:13:20,428 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:13:20,428 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration1_Lasso [2024-12-02 10:13:20,429 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:13:20,429 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:13:20,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:20,916 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:13:20,919 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 10:13:20,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:20,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:20,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:20,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-02 10:13:20,926 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 [2024-12-02 10:13:20,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:20,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:20,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:20,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:20,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:13:20,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:13:20,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:13:20,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-02 10:13:20,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:20,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:20,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:20,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 10:13:20,966 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 [2024-12-02 10:13:20,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:20,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:20,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:20,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:20,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:13:20,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:13:20,986 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:13:20,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 10:13:20,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:20,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:20,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:20,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 10:13:20,997 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 [2024-12-02 10:13:21,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:21,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:21,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:21,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:21,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:13:21,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:13:21,015 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:13:21,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 10:13:21,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,023 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 10:13:21,025 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 [2024-12-02 10:13:21,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:21,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:13:21,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:21,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:21,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:21,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:13:21,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:13:21,039 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:13:21,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 10:13:21,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 10:13:21,055 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 [2024-12-02 10:13:21,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:21,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:13:21,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:21,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:21,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:21,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:13:21,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:13:21,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:13:21,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 10:13:21,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 10:13:21,082 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 [2024-12-02 10:13:21,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:21,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:13:21,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:21,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:21,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:21,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:13:21,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:13:21,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:13:21,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 10:13:21,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,103 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 10:13:21,105 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 [2024-12-02 10:13:21,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:21,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:21,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:21,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:21,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:13:21,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:13:21,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:13:21,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 10:13:21,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,136 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 10:13:21,138 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 [2024-12-02 10:13:21,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:21,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:21,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:21,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:21,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:13:21,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:13:21,167 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 10:13:21,195 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-12-02 10:13:21,198 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-12-02 10:13:21,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,201 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 10:13:21,206 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 10:13:21,222 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 10:13:21,222 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 10:13:21,222 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) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-12-02 10:13:21,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 10:13:21,260 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-12-02 10:13:21,267 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 10:13:21,267 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 10:13:21,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:13:21,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:13:21,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:13:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:13:21,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:13:21,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:13:21,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 10:13:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:13:21,445 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 [2024-12-02 10:13:21,447 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-12-02 10:13:21,525 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 42 states and 61 transitions. Complement of second has 8 states. [2024-12-02 10:13:21,530 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 [2024-12-02 10:13:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-12-02 10:13:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2024-12-02 10:13:21,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 6 letters. [2024-12-02 10:13:21,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:13:21,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 6 letters. [2024-12-02 10:13:21,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:13:21,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 12 letters. [2024-12-02 10:13:21,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:13:21,544 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 61 transitions. [2024-12-02 10:13:21,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-12-02 10:13:21,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 19 states and 27 transitions. [2024-12-02 10:13:21,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-12-02 10:13:21,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-12-02 10:13:21,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2024-12-02 10:13:21,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:13:21,551 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-12-02 10:13:21,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2024-12-02 10:13:21,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-12-02 10:13:21,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 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) [2024-12-02 10:13:21,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2024-12-02 10:13:21,575 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-12-02 10:13:21,575 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-12-02 10:13:21,575 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 10:13:21,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2024-12-02 10:13:21,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-12-02 10:13:21,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:13:21,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:13:21,576 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-12-02 10:13:21,576 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-12-02 10:13:21,576 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_~q~0#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < 100000);" "call write~int#1(1, main_~#a~0#1.base, 60000 + main_~#a~0#1.offset, 4);main_~i~0#1 := 0;" [2024-12-02 10:13:21,576 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100000;" "assume !(15000 == main_~i~0#1);" "main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" [2024-12-02 10:13:21,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:21,577 INFO L85 PathProgramCache]: Analyzing trace with hash 925789, now seen corresponding path program 1 times [2024-12-02 10:13:21,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:13:21,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621450380] [2024-12-02 10:13:21,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:13:21,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:13:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:13:21,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:13:21,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621450380] [2024-12-02 10:13:21,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621450380] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:13:21,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618729525] [2024-12-02 10:13:21,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:13:21,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:13:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,643 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 10:13:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:13:21,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:13:21,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:13:21,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:13:21,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618729525] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:13:21,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:13:21,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-12-02 10:13:21,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469475532] [2024-12-02 10:13:21,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:13:21,706 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 10:13:21,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:21,707 INFO L85 PathProgramCache]: Analyzing trace with hash 72267, now seen corresponding path program 1 times [2024-12-02 10:13:21,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:13:21,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631298886] [2024-12-02 10:13:21,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:13:21,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:13:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:13:21,711 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:13:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:13:21,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:13:21,733 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:13:21,733 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:13:21,733 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:13:21,733 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:13:21,733 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 10:13:21,733 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,733 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:13:21,733 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:13:21,733 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Loop [2024-12-02 10:13:21,733 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:13:21,733 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:13:21,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:21,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:21,788 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:13:21,789 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 10:13:21,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,792 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 10:13:21,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 10:13:21,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 10:13:21,812 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 10:13:21,812 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6#1=0} Honda state: {ULTIMATE.start_main_#t~post6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 10:13:21,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-12-02 10:13:21,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,819 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 10:13:21,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 10:13:21,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 10:13:21,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 10:13:21,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 10:13:21,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 10:13:21,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 10:13:21,905 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 10:13:21,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 10:13:21,908 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:13:21,908 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:13:21,908 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:13:21,908 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:13:21,908 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 10:13:21,908 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,908 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:13:21,908 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:13:21,908 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Loop [2024-12-02 10:13:21,908 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:13:21,908 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:13:21,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:21,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:13:21,954 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:13:21,954 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 10:13:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,955 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 10:13:21,958 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 [2024-12-02 10:13:21,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:21,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:13:21,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:21,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:13:21,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:21,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:13:21,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:13:21,971 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:13:21,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 10:13:21,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:21,978 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:21,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 10:13:21,980 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 [2024-12-02 10:13:21,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:13:21,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:13:21,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:13:21,991 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-12-02 10:13:21,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:13:21,993 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-12-02 10:13:21,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:13:21,996 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 10:13:21,998 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-02 10:13:21,999 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-12-02 10:13:21,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:13:21,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:13:22,000 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:13:22,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 10:13:22,002 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 10:13:22,002 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 10:13:22,002 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 10:13:22,003 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2024-12-02 10:13:22,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 10:13:22,009 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 10:13:22,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:13:22,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:13:22,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:13:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:13:22,057 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:13:22,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:13:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:13:22,076 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-12-02 10:13:22,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-12-02 10:13:22,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 27 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 33 states and 46 transitions. Complement of second has 5 states. [2024-12-02 10:13:22,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 10:13:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-12-02 10:13:22,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2024-12-02 10:13:22,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 4 letters. Loop has 3 letters. [2024-12-02 10:13:22,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:13:22,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 7 letters. Loop has 3 letters. [2024-12-02 10:13:22,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:13:22,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 4 letters. Loop has 6 letters. [2024-12-02 10:13:22,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:13:22,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2024-12-02 10:13:22,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 10:13:22,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2024-12-02 10:13:22,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 10:13:22,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 10:13:22,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 10:13:22,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:13:22,104 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:13:22,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:13:22,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:13:22,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:13:22,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:13:22,107 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-12-02 10:13:22,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:13:22,109 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-12-02 10:13:22,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-12-02 10:13:22,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 10:13:22,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 10:13:22,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 10:13:22,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 10:13:22,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 10:13:22,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:13:22,110 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:13:22,110 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:13:22,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:13:22,110 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:13:22,110 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 10:13:22,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 10:13:22,111 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 10:13:22,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 10:13:22,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 10:13:22 BoogieIcfgContainer [2024-12-02 10:13:22,119 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 10:13:22,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:13:22,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:13:22,119 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:13:22,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:13:19" (3/4) ... [2024-12-02 10:13:22,122 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:13:22,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:13:22,124 INFO L158 Benchmark]: Toolchain (without parser) took 2817.67ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 73.0MB in the end (delta: 46.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-12-02 10:13:22,124 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:13:22,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.22ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:13:22,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.94ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:13:22,125 INFO L158 Benchmark]: Boogie Preprocessor took 33.74ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:13:22,125 INFO L158 Benchmark]: RCFGBuilder took 255.58ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.2MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:13:22,126 INFO L158 Benchmark]: BuchiAutomizer took 2311.16ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 73.0MB in the end (delta: 20.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-12-02 10:13:22,126 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 73.0MB in the end (delta: 15.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:13:22,128 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.22ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.94ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.74ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.58ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.2MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2311.16ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 73.0MB in the end (delta: 20.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 73.0MB in the end (delta: 15.7kB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 199999) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 22 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital55 mio100 ax100 hnf100 lsp95 ukn90 mio100 lsp79 div100 bol100 ite100 ukn100 eq165 hnf94 smp100 dnf137 smp94 tf104 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2024-12-02 10:13:22,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 10:13:22,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 10:13:22,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f70f1f-be73-4f60-85d6-9661c151403d/bin/uautomizer-verify-84ZbGMXZE1/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