./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/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_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/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 64bit --witnessprinter.graph.data.programhash 041376d57652038a5d4ee57a004231861ab6efac51c30f8b6c72783e60a27529 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:45:18,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:45:18,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-12-02 12:45:18,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:45:18,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:45:18,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:45:18,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:45:18,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:45:18,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:45:18,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:45:18,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:45:18,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:45:18,471 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:45:18,471 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 12:45:18,471 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 12:45:18,471 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 12:45:18,471 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 12:45:18,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:45:18,472 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 12:45:18,473 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:45:18,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:45:18,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:45:18,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:45:18,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:45:18,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 12:45:18,473 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 12:45:18,473 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_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 041376d57652038a5d4ee57a004231861ab6efac51c30f8b6c72783e60a27529 [2024-12-02 12:45:18,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:45:18,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:45:18,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:45:18,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:45:18,738 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:45:18,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i [2024-12-02 12:45:21,434 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/data/15715eb7c/efd71df0f503427d950ea947819031c8/FLAG19c61e392 [2024-12-02 12:45:21,680 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:45:21,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i [2024-12-02 12:45:21,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/data/15715eb7c/efd71df0f503427d950ea947819031c8/FLAG19c61e392 [2024-12-02 12:45:21,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/data/15715eb7c/efd71df0f503427d950ea947819031c8 [2024-12-02 12:45:21,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:45:21,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:45:21,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:45:21,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:45:21,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:45:21,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:21,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc723ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21, skipping insertion in model container [2024-12-02 12:45:21,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:21,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:45:21,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:45:21,927 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:45:21,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:45:21,976 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:45:21,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21 WrapperNode [2024-12-02 12:45:21,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:45:21,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:45:21,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:45:21,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:45:21,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:21,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,008 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-02 12:45:22,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:45:22,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:45:22,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:45:22,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:45:22,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,029 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [4, 5]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [2, 3]. [2024-12-02 12:45:22,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,033 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:45:22,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:45:22,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:45:22,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:45:22,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (1/1) ... [2024-12-02 12:45:22,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:22,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:22,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:22,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 12:45:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:45:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:45:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:45:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:45:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:45:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:45:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:45:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:45:22,159 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:45:22,160 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:45:22,242 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-12-02 12:45:22,242 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:45:22,249 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:45:22,250 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:45:22,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:45:22 BoogieIcfgContainer [2024-12-02 12:45:22,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:45:22,251 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 12:45:22,251 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 12:45:22,256 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 12:45:22,257 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 12:45:22,257 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 12:45:21" (1/3) ... [2024-12-02 12:45:22,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3080ac21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:45:22, skipping insertion in model container [2024-12-02 12:45:22,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 12:45:22,258 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:21" (2/3) ... [2024-12-02 12:45:22,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3080ac21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:45:22, skipping insertion in model container [2024-12-02 12:45:22,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 12:45:22,259 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:45:22" (3/3) ... [2024-12-02 12:45:22,260 INFO L363 chiAutomizerObserver]: Analyzing ICFG Urban-2013WST-Fig2-alloca-2.i [2024-12-02 12:45:22,308 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 12:45:22,308 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 12:45:22,308 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 12:45:22,308 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 12:45:22,308 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 12:45:22,308 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 12:45:22,308 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 12:45:22,309 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 12:45:22,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) 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 12:45:22,328 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-12-02 12:45:22,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:45:22,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:45:22,333 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 12:45:22,333 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 12:45:22,333 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 12:45:22,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) 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 12:45:22,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-12-02 12:45:22,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:45:22,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:45:22,334 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 12:45:22,334 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 12:45:22,341 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-12-02 12:45:22,341 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !true;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-12-02 12:45:22,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:22,345 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-12-02 12:45:22,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:22,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078839894] [2024-12-02 12:45:22,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:22,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:22,446 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:22,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:22,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:22,481 INFO L85 PathProgramCache]: Analyzing trace with hash 34451723, now seen corresponding path program 1 times [2024-12-02 12:45:22,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:22,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108354948] [2024-12-02 12:45:22,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:22,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:22,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 12:45:22,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108354948] [2024-12-02 12:45:22,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108354948] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:45:22,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118142521] [2024-12-02 12:45:22,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:22,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:45:22,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:22,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:45:22,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:45:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:22,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:45:22,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:22,589 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:45:22,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118142521] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:45:22,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:45:22,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-12-02 12:45:22,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505762834] [2024-12-02 12:45:22,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:45:22,595 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 12:45:22,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 12:45:22,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:45:22,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:45:22,618 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.3333333333333333) 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:22,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:22,623 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-12-02 12:45:22,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2024-12-02 12:45:22,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-12-02 12:45:22,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 10 transitions. [2024-12-02 12:45:22,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-12-02 12:45:22,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-12-02 12:45:22,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-12-02 12:45:22,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 12:45:22,630 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-12-02 12:45:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-12-02 12:45:22,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-12-02 12:45:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 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 12:45:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-12-02 12:45:22,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-12-02 12:45:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:45:22,652 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-12-02 12:45:22,652 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 12:45:22,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-12-02 12:45:22,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-12-02 12:45:22,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:45:22,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:45:22,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 12:45:22,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 12:45:22,653 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~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-12-02 12:45:22,653 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-12-02 12:45:22,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:22,654 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-12-02 12:45:22,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:22,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227886328] [2024-12-02 12:45:22,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:22,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:22,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:22,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:22,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:22,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1067994606, now seen corresponding path program 1 times [2024-12-02 12:45:22,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:22,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208805181] [2024-12-02 12:45:22,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:22,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:22,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 12:45:22,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208805181] [2024-12-02 12:45:22,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208805181] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:45:22,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034561189] [2024-12-02 12:45:22,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:22,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:45:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:22,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:45:22,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:45:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:22,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:45:22,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:22,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:45:22,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 12:45:22,957 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:45:22,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034561189] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:45:22,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:45:22,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-12-02 12:45:22,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660530749] [2024-12-02 12:45:22,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:45:22,990 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 12:45:22,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 12:45:22,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:45:22,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:45:22,991 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 12:45:23,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:23,045 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-12-02 12:45:23,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2024-12-02 12:45:23,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-12-02 12:45:23,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2024-12-02 12:45:23,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-12-02 12:45:23,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-12-02 12:45:23,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2024-12-02 12:45:23,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 12:45:23,047 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-12-02 12:45:23,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2024-12-02 12:45:23,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-12-02 12:45:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 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 12:45:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-12-02 12:45:23,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-12-02 12:45:23,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:45:23,049 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-12-02 12:45:23,050 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 12:45:23,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2024-12-02 12:45:23,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-12-02 12:45:23,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:45:23,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:45:23,050 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 12:45:23,051 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 12:45:23,051 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-12-02 12:45:23,051 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-12-02 12:45:23,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:23,051 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-12-02 12:45:23,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:23,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833781701] [2024-12-02 12:45:23,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:23,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:23,069 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:23,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:23,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:23,081 INFO L85 PathProgramCache]: Analyzing trace with hash -900611890, now seen corresponding path program 1 times [2024-12-02 12:45:23,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:23,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304442034] [2024-12-02 12:45:23,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:23,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 12:45:23,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304442034] [2024-12-02 12:45:23,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304442034] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:45:23,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217857651] [2024-12-02 12:45:23,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:23,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:45:23,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:23,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:45:23,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:45:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:23,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:45:23,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:23,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:45:23,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-12-02 12:45:23,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-12-02 12:45:23,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 12:45:23,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:45:23,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217857651] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:45:23,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:45:23,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12 [2024-12-02 12:45:23,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692263753] [2024-12-02 12:45:23,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:45:23,523 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 12:45:23,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 12:45:23,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:45:23,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:45:23,524 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. cyclomatic complexity: 2 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 12:45:23,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:23,618 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-12-02 12:45:23,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2024-12-02 12:45:23,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2024-12-02 12:45:23,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2024-12-02 12:45:23,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-12-02 12:45:23,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-12-02 12:45:23,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2024-12-02 12:45:23,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 12:45:23,620 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-12-02 12:45:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2024-12-02 12:45:23,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2024-12-02 12:45:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 25 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2024-12-02 12:45:23,622 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-12-02 12:45:23,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 12:45:23,623 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-12-02 12:45:23,623 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 12:45:23,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 27 transitions. [2024-12-02 12:45:23,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2024-12-02 12:45:23,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:45:23,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:45:23,624 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 12:45:23,624 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 6, 6, 1, 1, 1, 1, 1] [2024-12-02 12:45:23,624 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~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-12-02 12:45:23,624 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-12-02 12:45:23,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:23,625 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2024-12-02 12:45:23,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:23,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549727230] [2024-12-02 12:45:23,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:23,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:23,636 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:23,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:23,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:23,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1564103026, now seen corresponding path program 2 times [2024-12-02 12:45:23,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:23,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239798558] [2024-12-02 12:45:23,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:23,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:24,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 12:45:24,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239798558] [2024-12-02 12:45:24,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239798558] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:45:24,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621343471] [2024-12-02 12:45:24,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:24,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:45:24,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:24,242 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:45:24,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:45:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:24,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 12:45:24,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:24,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 12:45:24,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-12-02 12:45:24,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-12-02 12:45:24,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-12-02 12:45:24,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-12-02 12:45:24,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-12-02 12:45:24,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-12-02 12:45:24,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 12:45:24,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:45:24,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621343471] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:45:24,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:45:24,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 10] total 19 [2024-12-02 12:45:24,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829491731] [2024-12-02 12:45:24,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:45:24,560 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 12:45:24,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 12:45:24,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 12:45:24,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:45:24,561 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. cyclomatic complexity: 2 Second operand has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 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 12:45:24,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:24,684 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-12-02 12:45:24,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 37 transitions. [2024-12-02 12:45:24,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2024-12-02 12:45:24,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 37 transitions. [2024-12-02 12:45:24,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-12-02 12:45:24,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2024-12-02 12:45:24,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 37 transitions. [2024-12-02 12:45:24,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 12:45:24,686 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-12-02 12:45:24,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 37 transitions. [2024-12-02 12:45:24,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-12-02 12:45:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 34 states have internal predecessors, (36), 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 12:45:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-12-02 12:45:24,689 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-12-02 12:45:24,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 12:45:24,690 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-12-02 12:45:24,690 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-12-02 12:45:24,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 36 transitions. [2024-12-02 12:45:24,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2024-12-02 12:45:24,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:45:24,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:45:24,691 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 12:45:24,692 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 9, 9, 1, 1, 1, 1, 1] [2024-12-02 12:45:24,692 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-12-02 12:45:24,692 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-12-02 12:45:24,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:24,692 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2024-12-02 12:45:24,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:24,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279822870] [2024-12-02 12:45:24,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:24,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:24,704 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:24,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:24,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:24,711 INFO L85 PathProgramCache]: Analyzing trace with hash 627800555, now seen corresponding path program 3 times [2024-12-02 12:45:24,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:24,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945841491] [2024-12-02 12:45:24,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:24,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:24,739 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:24,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:24,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:24,759 INFO L85 PathProgramCache]: Analyzing trace with hash -691374487, now seen corresponding path program 1 times [2024-12-02 12:45:24,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:24,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111728075] [2024-12-02 12:45:24,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:24,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:24,791 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:24,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:28,448 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 12:45:28,449 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 12:45:28,449 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 12:45:28,450 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 12:45:28,450 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 12:45:28,450 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:28,450 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 12:45:28,450 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 12:45:28,450 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration5_Lasso [2024-12-02 12:45:28,450 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 12:45:28,451 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 12:45:28,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:28,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:29,017 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 12:45:29,020 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 12:45:29,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 12:45:29,026 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 12:45:29,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:29,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:29,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:29,045 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 12:45:29,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,054 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 12:45:29,056 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 12:45:29,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:29,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:29,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:29,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 12:45:29,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 12:45:29,083 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 12:45:29,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:29,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:29,102 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 12:45:29,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,109 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 12:45:29,112 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 12:45:29,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:29,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:29,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:29,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 12:45:29,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,131 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 12:45:29,133 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 12:45:29,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:29,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:29,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:29,146 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 12:45:29,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,153 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 12:45:29,154 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 12:45:29,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:29,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:29,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 12:45:29,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,182 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 12:45:29,185 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 12:45:29,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:29,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:29,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:29,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-12-02 12:45:29,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,204 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 12:45:29,207 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 12:45:29,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:29,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:29,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:29,220 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 12:45:29,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,226 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 12:45:29,228 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 12:45:29,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:29,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:29,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 12:45:29,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,253 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 12:45:29,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 12:45:29,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:29,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:29,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:29,268 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:29,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 12:45:29,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,275 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 12:45:29,277 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 12:45:29,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:29,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:29,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:29,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:29,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:29,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:29,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:29,292 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 12:45:29,296 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-02 12:45:29,298 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-12-02 12:45:29,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:29,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:29,300 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:29,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 12:45:29,302 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 12:45:29,302 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 12:45:29,302 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 12:45:29,303 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 + 21 Supporting invariants [] [2024-12-02 12:45:29,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 12:45:29,348 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2024-12-02 12:45:29,355 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-12-02 12:45:29,356 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-12-02 12:45:29,356 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x1~0!base,]]] [2024-12-02 12:45:29,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:29,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:45:29,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:29,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:45:29,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:29,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 12:45:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-02 12:45:29,676 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 12:45:29,677 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 36 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 12:45:29,717 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 36 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 68 states and 71 transitions. Complement of second has 6 states. [2024-12-02 12:45:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-12-02 12:45:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 12:45:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-12-02 12:45:29,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 33 letters. [2024-12-02 12:45:29,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:29,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 35 letters. Loop has 33 letters. [2024-12-02 12:45:29,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:29,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 66 letters. [2024-12-02 12:45:29,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:29,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 71 transitions. [2024-12-02 12:45:29,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-12-02 12:45:29,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 67 states and 70 transitions. [2024-12-02 12:45:29,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-12-02 12:45:29,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-12-02 12:45:29,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 70 transitions. [2024-12-02 12:45:29,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 12:45:29,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-12-02 12:45:29,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 70 transitions. [2024-12-02 12:45:29,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 41. [2024-12-02 12:45:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 states have internal predecessors, (44), 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 12:45:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-12-02 12:45:29,728 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-12-02 12:45:29,728 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-12-02 12:45:29,728 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-12-02 12:45:29,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 44 transitions. [2024-12-02 12:45:29,729 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-12-02 12:45:29,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:45:29,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:45:29,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 12:45:29,729 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-12-02 12:45:29,729 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-12-02 12:45:29,729 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" [2024-12-02 12:45:29,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:29,729 INFO L85 PathProgramCache]: Analyzing trace with hash 28694791, now seen corresponding path program 1 times [2024-12-02 12:45:29,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:29,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047110312] [2024-12-02 12:45:29,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:29,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:29,742 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:29,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:29,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:29,750 INFO L85 PathProgramCache]: Analyzing trace with hash 46772, now seen corresponding path program 1 times [2024-12-02 12:45:29,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:29,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905346269] [2024-12-02 12:45:29,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:29,755 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:29,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:29,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:29,758 INFO L85 PathProgramCache]: Analyzing trace with hash 148043758, now seen corresponding path program 1 times [2024-12-02 12:45:29,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:29,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829835911] [2024-12-02 12:45:29,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:29,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:29,768 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:29,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:30,070 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 12:45:30,070 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 12:45:30,070 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 12:45:30,070 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 12:45:30,070 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 12:45:30,070 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:30,070 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 12:45:30,070 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 12:45:30,070 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration6_Lasso [2024-12-02 12:45:30,070 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 12:45:30,070 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 12:45:30,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:30,360 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 12:45:30,360 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 12:45:30,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:30,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:30,362 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:30,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 12:45:30,365 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 12:45:30,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:30,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:30,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:30,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:30,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:30,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:30,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:30,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:30,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 12:45:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:30,385 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:30,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 12:45:30,387 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 12:45:30,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:30,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:30,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:30,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:30,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:30,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:30,403 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:30,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 12:45:30,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:30,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:30,409 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:30,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-12-02 12:45:30,411 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 12:45:30,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:30,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:30,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:30,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:30,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:30,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:30,429 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 12:45:30,439 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-12-02 12:45:30,439 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-12-02 12:45:30,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:30,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:30,441 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:30,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-12-02 12:45:30,443 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 12:45:30,455 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 12:45:30,455 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 12:45:30,455 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2 Supporting invariants [] [2024-12-02 12:45:30,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-12-02 12:45:30,473 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 12:45:30,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 12:45:30,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 12:45:30,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] [2024-12-02 12:45:30,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:30,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:45:30,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:30,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:45:30,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:30,526 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 12:45:30,527 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 12:45:30,527 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 44 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:30,555 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 44 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 111 states and 118 transitions. Complement of second has 9 states. [2024-12-02 12:45:30,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 12:45:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-12-02 12:45:30,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2024-12-02 12:45:30,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:30,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2024-12-02 12:45:30,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:30,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2024-12-02 12:45:30,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:30,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 118 transitions. [2024-12-02 12:45:30,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-12-02 12:45:30,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 79 states and 83 transitions. [2024-12-02 12:45:30,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-12-02 12:45:30,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-12-02 12:45:30,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 83 transitions. [2024-12-02 12:45:30,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 12:45:30,559 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 83 transitions. [2024-12-02 12:45:30,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 83 transitions. [2024-12-02 12:45:30,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 72. [2024-12-02 12:45:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 71 states have internal predecessors, (75), 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 12:45:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-12-02 12:45:30,562 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-12-02 12:45:30,562 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-12-02 12:45:30,562 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-12-02 12:45:30,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 75 transitions. [2024-12-02 12:45:30,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-12-02 12:45:30,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 12:45:30,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 12:45:30,564 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 12:45:30,564 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-12-02 12:45:30,564 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~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-12-02 12:45:30,564 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" [2024-12-02 12:45:30,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:30,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1925815457, now seen corresponding path program 2 times [2024-12-02 12:45:30,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:30,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385279603] [2024-12-02 12:45:30,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:30,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:30,589 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:30,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:30,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:30,609 INFO L85 PathProgramCache]: Analyzing trace with hash 46772, now seen corresponding path program 2 times [2024-12-02 12:45:30,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:30,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420598521] [2024-12-02 12:45:30,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:30,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:30,613 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:30,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:30,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:30,616 INFO L85 PathProgramCache]: Analyzing trace with hash -204843500, now seen corresponding path program 3 times [2024-12-02 12:45:30,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 12:45:30,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134902196] [2024-12-02 12:45:30,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:30,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:30,638 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:45:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:45:30,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 12:45:38,763 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 189 DAG size of output: 165 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-12-02 12:45:38,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-12-02 12:45:38,880 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 12:45:38,880 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 12:45:38,880 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 12:45:38,880 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 12:45:38,880 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 12:45:38,880 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:38,880 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 12:45:38,880 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 12:45:38,880 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration7_Lasso [2024-12-02 12:45:38,880 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 12:45:38,880 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 12:45:38,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:38,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 12:45:39,144 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 12:45:39,145 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 12:45:39,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,149 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-12-02 12:45:39,151 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 12:45:39,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:39,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:39,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:39,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-12-02 12:45:39,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,170 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-12-02 12:45:39,172 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 12:45:39,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:39,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:39,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:39,185 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-12-02 12:45:39,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,191 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-12-02 12:45:39,193 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 12:45:39,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:39,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:39,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:39,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-12-02 12:45:39,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,212 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-12-02 12:45:39,214 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 12:45:39,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:39,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:39,229 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-12-02 12:45:39,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,235 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-12-02 12:45:39,237 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 12:45:39,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:39,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:39,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-12-02 12:45:39,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,258 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-12-02 12:45:39,261 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 12:45:39,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:39,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:39,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:39,273 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-12-02 12:45:39,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,280 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-12-02 12:45:39,282 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 12:45:39,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:39,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:39,298 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-12-02 12:45:39,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,307 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-12-02 12:45:39,310 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 12:45:39,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:39,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:39,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:39,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-12-02 12:45:39,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,329 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-12-02 12:45:39,331 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 12:45:39,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 12:45:39,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 12:45:39,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 12:45:39,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-12-02 12:45:39,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,350 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-12-02 12:45:39,353 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 12:45:39,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:39,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:39,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-12-02 12:45:39,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,380 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-12-02 12:45:39,382 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 12:45:39,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:39,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:39,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 12:45:39,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-12-02 12:45:39,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,408 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-12-02 12:45:39,410 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 12:45:39,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 12:45:39,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 12:45:39,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 12:45:39,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 12:45:39,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 12:45:39,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 12:45:39,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 12:45:39,435 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-12-02 12:45:39,435 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-12-02 12:45:39,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 12:45:39,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:39,437 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 12:45:39,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-12-02 12:45:39,439 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 12:45:39,450 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 12:45:39,450 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 12:45:39,450 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_3) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_3 Supporting invariants [] [2024-12-02 12:45:39,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-12-02 12:45:39,465 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 12:45:39,466 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 12:45:39,466 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 12:45:39,466 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] [2024-12-02 12:45:39,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:39,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:45:39,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:39,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:45:39,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:39,582 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 12:45:39,583 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 12:45:39,583 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:39,617 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 108 transitions. Complement of second has 9 states. [2024-12-02 12:45:39,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 12:45:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-12-02 12:45:39,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 38 letters. Loop has 3 letters. [2024-12-02 12:45:39,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:39,619 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 12:45:39,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:39,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:45:39,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:39,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:45:39,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:39,730 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 12:45:39,730 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 12:45:39,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:39,759 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 108 transitions. Complement of second has 9 states. [2024-12-02 12:45:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 12:45:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-12-02 12:45:39,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 38 letters. Loop has 3 letters. [2024-12-02 12:45:39,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:39,761 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 12:45:39,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:39,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:45:39,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:39,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:45:39,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:39,869 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 12:45:39,869 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 12:45:39,870 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:39,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 119 states and 126 transitions. Complement of second has 8 states. [2024-12-02 12:45:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 12:45:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:45:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2024-12-02 12:45:39,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 38 letters. Loop has 3 letters. [2024-12-02 12:45:39,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:39,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 41 letters. Loop has 3 letters. [2024-12-02 12:45:39,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:39,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 38 letters. Loop has 6 letters. [2024-12-02 12:45:39,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 12:45:39,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 126 transitions. [2024-12-02 12:45:39,896 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 12:45:39,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 0 states and 0 transitions. [2024-12-02 12:45:39,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 12:45:39,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 12:45:39,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 12:45:39,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 12:45:39,896 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:45:39,896 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:45:39,896 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:45:39,896 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-12-02 12:45:39,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:45:39,896 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 12:45:39,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 12:45:39,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 12:45:39 BoogieIcfgContainer [2024-12-02 12:45:39,902 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 12:45:39,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:45:39,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:45:39,902 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:45:39,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:45:22" (3/4) ... [2024-12-02 12:45:39,905 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:45:39,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:45:39,906 INFO L158 Benchmark]: Toolchain (without parser) took 18196.49ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 116.0MB in the beginning and 150.4MB in the end (delta: -34.3MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. [2024-12-02 12:45:39,906 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:45:39,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.73ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 99.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:45:39,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.02ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:45:39,907 INFO L158 Benchmark]: Boogie Preprocessor took 31.68ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 97.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:45:39,907 INFO L158 Benchmark]: RCFGBuilder took 209.45ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 86.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:45:39,908 INFO L158 Benchmark]: BuchiAutomizer took 17650.76ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 86.5MB in the beginning and 150.4MB in the end (delta: -63.8MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. [2024-12-02 12:45:39,908 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 302.0MB. Free memory was 150.4MB in the beginning and 150.4MB in the end (delta: 37.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:45:39,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.73ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 99.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.02ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.68ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 97.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 209.45ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 86.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 17650.76ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 86.5MB in the beginning and 150.4MB in the end (delta: -63.8MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 302.0MB. Free memory was 150.4MB in the beginning and 150.4MB in the end (delta: 37.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x1~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.6s and 8 iterations. TraceHistogramMax:10. Analysis of lassos took 16.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 126/126 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 79 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital149 mio100 ax112 hnf100 lsp87 ukn62 mio100 lsp26 div100 bol100 ite100 ukn100 eq163 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 12:45:39,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-12-02 12:45:40,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 12:45:40,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:45:40,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:45:40,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:45:40,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a05da-ba1c-42ae-8dc7-a7dbb061f2b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE