./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/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_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/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_7936711d-89a2-4d2a-8531-4fa77f4276d5/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 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:57,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:57,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 05:49:57,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:57,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:57,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:57,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:57,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:57,196 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:57,196 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:57,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:57,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:57,197 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:57,197 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 05:49:57,197 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 05:49:57,197 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 05:49:57,197 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 05:49:57,197 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 05:49:57,197 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 05:49:57,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:57,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:57,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:57,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:57,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:57,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:57,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 05:49:57,199 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 05:49:57,199 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_7936711d-89a2-4d2a-8531-4fa77f4276d5/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 -> 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b [2024-12-02 05:49:57,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:57,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:57,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:57,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:57,421 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:57,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2024-12-02 05:50:00,028 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/data/99ba86851/b987145afb0f4d94a5d37eeb45ac2a01/FLAGf81b710bf [2024-12-02 05:50:00,277 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:00,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2024-12-02 05:50:00,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/data/99ba86851/b987145afb0f4d94a5d37eeb45ac2a01/FLAGf81b710bf [2024-12-02 05:50:00,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/data/99ba86851/b987145afb0f4d94a5d37eeb45ac2a01 [2024-12-02 05:50:00,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:00,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:00,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:00,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:00,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:00,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26901616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00, skipping insertion in model container [2024-12-02 05:50:00,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:00,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:00,850 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:00,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:00,902 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:00,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00 WrapperNode [2024-12-02 05:50:00,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:00,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:00,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:00,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:00,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,932 INFO L138 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2024-12-02 05:50:00,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:00,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:00,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:00,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:00,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,953 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-12-02 05:50:00,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:00,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:00,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:00,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:00,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (1/1) ... [2024-12-02 05:50:00,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:00,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:00,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:00,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 05:50:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 05:50:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 05:50:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 05:50:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 05:50:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 05:50:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:01,088 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:01,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:01,201 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:01,201 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:01,209 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:01,209 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:01,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:01 BoogieIcfgContainer [2024-12-02 05:50:01,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:01,211 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 05:50:01,211 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 05:50:01,215 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 05:50:01,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 05:50:01,216 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 05:50:00" (1/3) ... [2024-12-02 05:50:01,217 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3abe5732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 05:50:01, skipping insertion in model container [2024-12-02 05:50:01,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 05:50:01,217 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:00" (2/3) ... [2024-12-02 05:50:01,217 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3abe5732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 05:50:01, skipping insertion in model container [2024-12-02 05:50:01,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 05:50:01,217 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:01" (3/3) ... [2024-12-02 05:50:01,218 INFO L363 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca-1.i [2024-12-02 05:50:01,256 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 05:50:01,256 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 05:50:01,256 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 05:50:01,256 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 05:50:01,256 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 05:50:01,256 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 05:50:01,256 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 05:50:01,257 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 05:50:01,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 05:50:01,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-12-02 05:50:01,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 05:50:01,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 05:50:01,276 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:01,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 05:50:01,276 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 05:50:01,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 05:50:01,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-12-02 05:50:01,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 05:50:01,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 05:50:01,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:01,278 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 05:50:01,283 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~post7#1, main_#t~mem8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911);" "havoc main_#t~nondet3#1;main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;" "assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296);" "call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;" "assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0;" [2024-12-02 05:50:01,283 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet6#1;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;" [2024-12-02 05:50:01,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:01,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2024-12-02 05:50:01,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:50:01,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168273486] [2024-12-02 05:50:01,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:01,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1106026609] [2024-12-02 05:50:01,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:01,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:01,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:01,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:01,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:50:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:01,455 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:01,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:50:01,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:01,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1829, now seen corresponding path program 1 times [2024-12-02 05:50:01,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:50:01,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005276880] [2024-12-02 05:50:01,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:01,492 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:01,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:50:01,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:01,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787698, now seen corresponding path program 1 times [2024-12-02 05:50:01,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:50:01,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366219888] [2024-12-02 05:50:01,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:01,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:01,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [315041407] [2024-12-02 05:50:01,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:01,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:01,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:01,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:01,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:50:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:01,648 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:01,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:50:02,491 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 05:50:02,492 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 05:50:02,492 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 05:50:02,492 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 05:50:02,492 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 05:50:02,492 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:02,492 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 05:50:02,492 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 05:50:02,493 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration1_Lasso [2024-12-02 05:50:02,493 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 05:50:02,493 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 05:50:02,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:02,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:06,907 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 05:50:06,911 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 05:50:06,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:06,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:06,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:06,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 05:50:06,917 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 05:50:06,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:06,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:06,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:06,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:06,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:06,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:06,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:06,940 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:06,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 05:50:06,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:06,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:06,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:06,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 05:50:06,956 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 05:50:06,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:06,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:06,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:06,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:06,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:06,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:06,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:06,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:06,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 05:50:06,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:06,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:06,984 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:06,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 05:50:06,987 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 05:50:06,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:06,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:06,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:06,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:06,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:06,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:06,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:07,000 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:07,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 05:50:07,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:07,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:07,007 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:07,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 05:50:07,009 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 05:50:07,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:07,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:07,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:07,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:07,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:07,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:07,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:07,022 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:07,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 05:50:07,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:07,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:07,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:07,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 05:50:07,031 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 05:50:07,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:07,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:07,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:07,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:07,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 05:50:07,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 05:50:07,072 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 05:50:07,098 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-12-02 05:50:07,100 INFO L444 ModelExtractionUtils]: 13 out of 25 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-12-02 05:50:07,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:07,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:07,103 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:07,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 05:50:07,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 05:50:07,117 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 05:50:07,117 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 05:50:07,118 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2024-12-02 05:50:07,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 05:50:07,147 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 05:50:07,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:07,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 05:50:07,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:07,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:50:07,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:07,228 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 05:50:07,254 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 05:50:07,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:50:07,312 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 42 transitions. Complement of second has 8 states. [2024-12-02 05:50:07,314 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 05:50:07,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:50:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-12-02 05:50:07,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 2 letters. [2024-12-02 05:50:07,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 05:50:07,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 9 letters. Loop has 2 letters. [2024-12-02 05:50:07,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 05:50:07,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 4 letters. [2024-12-02 05:50:07,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 05:50:07,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 42 transitions. [2024-12-02 05:50:07,328 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 05:50:07,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 13 states and 17 transitions. [2024-12-02 05:50:07,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-12-02 05:50:07,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-12-02 05:50:07,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-12-02 05:50:07,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 05:50:07,333 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-12-02 05:50:07,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-12-02 05:50:07,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-12-02 05:50:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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 05:50:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2024-12-02 05:50:07,354 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-12-02 05:50:07,354 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-12-02 05:50:07,354 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 05:50:07,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2024-12-02 05:50:07,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 05:50:07,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 05:50:07,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 05:50:07,355 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:07,355 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 05:50:07,356 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~post7#1, main_#t~mem8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911);" "havoc main_#t~nondet3#1;main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;" "assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296);" "call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;" "assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" [2024-12-02 05:50:07,356 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < main_~length~0#1 * main_~fac~0#1;" "call main_#t~mem8#1 := read~int#1(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % main_~length~0#1 then (if main_~length~0#1 < 0 then main_~i~0#1 % main_~length~0#1 + main_~length~0#1 else main_~i~0#1 % main_~length~0#1 - main_~length~0#1) else main_~i~0#1 % main_~length~0#1), 4);call write~int#0(main_#t~mem8#1, main_~arr2~0#1.base, main_~arr2~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" [2024-12-02 05:50:07,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:07,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787764, now seen corresponding path program 1 times [2024-12-02 05:50:07,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:50:07,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708956525] [2024-12-02 05:50:07,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:07,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 05:50:07,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708956525] [2024-12-02 05:50:07,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708956525] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:07,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697731317] [2024-12-02 05:50:07,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:07,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:07,475 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:07,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 05:50:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:07,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:50:07,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:07,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:07,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697731317] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:50:07,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:50:07,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-12-02 05:50:07,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384189265] [2024-12-02 05:50:07,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:07,570 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 05:50:07,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:07,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2277, now seen corresponding path program 1 times [2024-12-02 05:50:07,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:50:07,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374992675] [2024-12-02 05:50:07,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:07,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127202262] [2024-12-02 05:50:07,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:07,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:07,589 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:07,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 05:50:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:07,628 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:07,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:50:07,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 05:50:08,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 05:50:08,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:50:08,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:08,332 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:50:08,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:08,382 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2024-12-02 05:50:08,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-12-02 05:50:08,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 05:50:08,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2024-12-02 05:50:08,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-12-02 05:50:08,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-12-02 05:50:08,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2024-12-02 05:50:08,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 05:50:08,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-12-02 05:50:08,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2024-12-02 05:50:08,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-12-02 05:50:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 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 05:50:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2024-12-02 05:50:08,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-12-02 05:50:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:08,386 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-12-02 05:50:08,386 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 05:50:08,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2024-12-02 05:50:08,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 05:50:08,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 05:50:08,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 05:50:08,387 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:08,387 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 05:50:08,387 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~post7#1, main_#t~mem8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911);" "havoc main_#t~nondet3#1;main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;" "assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296);" "call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;" "assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet6#1;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" [2024-12-02 05:50:08,387 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < main_~length~0#1 * main_~fac~0#1;" "call main_#t~mem8#1 := read~int#1(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % main_~length~0#1 then (if main_~length~0#1 < 0 then main_~i~0#1 % main_~length~0#1 + main_~length~0#1 else main_~i~0#1 % main_~length~0#1 - main_~length~0#1) else main_~i~0#1 % main_~length~0#1), 4);call write~int#0(main_#t~mem8#1, main_~arr2~0#1.base, main_~arr2~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" [2024-12-02 05:50:08,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:08,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1507354728, now seen corresponding path program 1 times [2024-12-02 05:50:08,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:50:08,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72648945] [2024-12-02 05:50:08,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:08,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843094599] [2024-12-02 05:50:08,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:08,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:08,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:08,410 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:08,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 05:50:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:08,524 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:08,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:50:08,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:08,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2277, now seen corresponding path program 2 times [2024-12-02 05:50:08,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:50:08,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806938836] [2024-12-02 05:50:08,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:08,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:08,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1948850512] [2024-12-02 05:50:08,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:08,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:08,556 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:08,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 05:50:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:08,596 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:08,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:50:08,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:08,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1163913540, now seen corresponding path program 1 times [2024-12-02 05:50:08,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 05:50:08,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002944151] [2024-12-02 05:50:08,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:08,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394332048] [2024-12-02 05:50:08,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:08,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:08,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:08,644 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:08,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 05:50:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:08,712 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:08,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 05:50:10,636 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 05:50:10,636 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 05:50:10,636 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 05:50:10,636 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 05:50:10,636 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 05:50:10,636 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:10,636 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 05:50:10,636 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 05:50:10,636 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration3_Lasso [2024-12-02 05:50:10,636 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 05:50:10,636 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 05:50:10,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:10,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 05:50:11,443 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 05:50:11,443 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 05:50:11,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,445 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 05:50:11,447 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 05:50:11,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:11,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:11,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:11,460 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 05:50:11,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,468 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 05:50:11,470 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 05:50:11,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:11,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:11,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:11,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 05:50:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,491 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 05:50:11,493 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 05:50:11,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:11,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:11,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:11,508 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 05:50:11,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,514 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 05:50:11,516 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 05:50:11,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:11,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:11,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:11,529 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 05:50:11,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,535 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 05:50:11,537 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 05:50:11,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:11,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:11,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:11,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 05:50:11,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,556 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-12-02 05:50:11,558 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 05:50:11,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 05:50:11,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 05:50:11,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-12-02 05:50:11,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,588 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-12-02 05:50:11,590 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 05:50:11,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 05:50:11,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 05:50:11,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-12-02 05:50:11,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,613 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-12-02 05:50:11,615 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 05:50:11,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 05:50:11,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 05:50:11,633 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-12-02 05:50:11,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,640 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-12-02 05:50:11,642 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 05:50:11,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:11,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:11,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:11,655 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-12-02 05:50:11,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,662 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-12-02 05:50:11,664 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 05:50:11,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:11,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:11,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:11,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-12-02 05:50:11,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,683 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-12-02 05:50:11,685 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 05:50:11,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 05:50:11,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 05:50:11,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 05:50:11,698 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-12-02 05:50:11,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,704 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-12-02 05:50:11,706 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 05:50:11,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 05:50:11,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 05:50:11,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 05:50:11,723 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 05:50:11,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-12-02 05:50:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,729 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-12-02 05:50:11,732 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 05:50:11,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 05:50:11,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 05:50:11,743 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-12-02 05:50:11,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 05:50:11,768 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-12-02 05:50:11,768 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-12-02 05:50:11,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 05:50:11,887 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-12-02 05:50:11,887 INFO L444 ModelExtractionUtils]: 25 out of 56 variables were initially zero. Simplification set additionally 27 variables to zero. [2024-12-02 05:50:11,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 05:50:11,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:11,889 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:11,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-12-02 05:50:11,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 05:50:11,904 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2024-12-02 05:50:11,904 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 05:50:11,904 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr2~0#1.offset, ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2) = -1*ULTIMATE.start_main_~arr2~0#1.offset - 4*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2 Supporting invariants [] [2024-12-02 05:50:11,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-12-02 05:50:11,955 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2024-12-02 05:50:11,957 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 05:50:11,958 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 05:50:11,958 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~arr2~0!offset [2024-12-02 05:50:11,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:11,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:50:11,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:12,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 05:50:12,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:12,030 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 05:50:12,030 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-12-02 05:50:12,030 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:50:12,057 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 5 states. [2024-12-02 05:50:12,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 05:50:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:50:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-12-02 05:50:12,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2024-12-02 05:50:12,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 05:50:12,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2024-12-02 05:50:12,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 05:50:12,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2024-12-02 05:50:12,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 05:50:12,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-12-02 05:50:12,059 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 05:50:12,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-12-02 05:50:12,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 05:50:12,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 05:50:12,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 05:50:12,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 05:50:12,060 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 05:50:12,060 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 05:50:12,060 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 05:50:12,060 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 05:50:12,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 05:50:12,060 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 05:50:12,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 05:50:12,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 05:50:12 BoogieIcfgContainer [2024-12-02 05:50:12,068 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 05:50:12,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:50:12,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:50:12,069 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:50:12,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:01" (3/4) ... [2024-12-02 05:50:12,071 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:50:12,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:50:12,072 INFO L158 Benchmark]: Toolchain (without parser) took 11458.16ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 40.9MB in the end (delta: 75.3MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-12-02 05:50:12,073 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:12,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.42ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 99.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:50:12,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.21ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 98.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:12,073 INFO L158 Benchmark]: Boogie Preprocessor took 33.47ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:12,074 INFO L158 Benchmark]: RCFGBuilder took 243.43ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 84.8MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:50:12,074 INFO L158 Benchmark]: BuchiAutomizer took 10857.01ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 41.0MB in the end (delta: 43.6MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-12-02 05:50:12,074 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 142.6MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:12,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.42ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 99.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.21ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 98.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.47ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.43ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 84.8MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 10857.01ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 41.0MB in the end (delta: 43.6MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 142.6MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 17.7kB). 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] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~arr2~0!offset * 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 (((long long) -1 * i) + length) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 10.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 32 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital265 mio100 ax108 hnf100 lsp158 ukn49 mio100 lsp63 div293 bol100 ite100 ukn100 eq144 hnf94 smp59 dnf114 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 175ms VariablesStem: 14 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 05:50:12,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-12-02 05:50:12,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 05:50:12,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 05:50:12,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 05:50:12,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 05:50:13,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 05:50:13,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 05:50:13,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:50:13,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7936711d-89a2-4d2a-8531-4fa77f4276d5/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