./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-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_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d8adfff7e82315c87ecd35a52aa8c3250747b82419ef73977e38a97f4dddf8e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:22:17,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:22:17,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 02:22:17,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:22:17,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:22:17,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:22:17,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:22:17,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:22:17,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:22:17,422 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:22:17,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:22:17,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:22:17,423 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:22:17,423 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:22:17,423 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:22:17,423 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:22:17,424 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:22:17,424 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:22:17,424 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:22:17,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:22:17,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:22:17,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:22:17,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:22:17,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:22:17,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:22:17,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:22:17,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:22:17,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:22:17,426 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:22:17,427 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:22:17,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:22:17,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:22:17,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:22:17,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:22:17,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:22:17,428 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:22:17,429 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_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8adfff7e82315c87ecd35a52aa8c3250747b82419ef73977e38a97f4dddf8e4 [2024-11-28 02:22:17,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:22:17,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:22:17,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:22:17,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:22:17,761 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:22:17,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2024-11-28 02:22:20,799 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/data/bcdad4a46/489342f915c44aceb621e8eff9a7ff61/FLAGeb5256637 [2024-11-28 02:22:21,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:22:21,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/sv-benchmarks/c/termination-memory-linkedlists/cll_search-alloca-2.i [2024-11-28 02:22:21,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/data/bcdad4a46/489342f915c44aceb621e8eff9a7ff61/FLAGeb5256637 [2024-11-28 02:22:21,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/data/bcdad4a46/489342f915c44aceb621e8eff9a7ff61 [2024-11-28 02:22:21,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:22:21,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:22:21,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:21,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:22:21,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:22:21,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af9aa24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21, skipping insertion in model container [2024-11-28 02:22:21,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:22:21,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:21,736 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:22:21,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:21,810 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:22:21,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21 WrapperNode [2024-11-28 02:22:21,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:21,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:21,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:22:21,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:22:21,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,850 INFO L138 Inliner]: procedures = 114, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-28 02:22:21,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:21,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:22:21,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:22:21,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:22:21,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,876 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 4 writes are split as follows [4]. [2024-11-28 02:22:21,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,882 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:22:21,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:22:21,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:22:21,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:22:21,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (1/1) ... [2024-11-28 02:22:21,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:21,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:21,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:21,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:22:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:22:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:22:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:22:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:22:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:22:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:22:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:22:22,074 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:22:22,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:22:22,287 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-28 02:22:22,287 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:22:22,303 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:22:22,303 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:22:22,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:22 BoogieIcfgContainer [2024-11-28 02:22:22,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:22:22,305 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:22:22,305 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:22:22,312 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:22:22,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:22:22,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:22:21" (1/3) ... [2024-11-28 02:22:22,315 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1395223c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:22:22, skipping insertion in model container [2024-11-28 02:22:22,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:22:22,315 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:21" (2/3) ... [2024-11-28 02:22:22,316 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1395223c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:22:22, skipping insertion in model container [2024-11-28 02:22:22,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:22:22,317 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:22" (3/3) ... [2024-11-28 02:22:22,319 INFO L363 chiAutomizerObserver]: Analyzing ICFG cll_search-alloca-2.i [2024-11-28 02:22:22,382 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:22:22,382 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:22:22,382 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:22:22,382 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:22:22,383 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:22:22,383 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:22:22,384 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:22:22,384 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:22:22,391 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) [2024-11-28 02:22:22,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-28 02:22:22,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:22,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:22,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:22:22,417 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 02:22:22,417 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:22:22,418 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) [2024-11-28 02:22:22,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-28 02:22:22,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:22,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:22,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:22:22,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 02:22:22,428 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_#t~nondet9#1, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int#0(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1;" [2024-11-28 02:22:22,428 INFO L749 eck$LassoCheckResult]: Loop: "assume init_cll_~i~0#1 < init_cll_~n#1;" "call init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset := init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset;havoc init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset;call write~int#0(init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, 4);call write~$Pointer$#0(init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset;havoc init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset;init_cll_#t~post4#1 := init_cll_~i~0#1;init_cll_~i~0#1 := 1 + init_cll_#t~post4#1;havoc init_cll_#t~post4#1;" [2024-11-28 02:22:22,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:22,438 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 02:22:22,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:22,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188443717] [2024-11-28 02:22:22,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:22,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:22,561 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:22,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:22,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:22,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times [2024-11-28 02:22:22,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:22,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039686295] [2024-11-28 02:22:22,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:22,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:22,671 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:22,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:22,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:22,707 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-28 02:22:22,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:22,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578548939] [2024-11-28 02:22:22,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:22,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:22,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:22,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:24,047 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:22:24,048 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:22:24,048 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:22:24,049 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:22:24,049 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:22:24,049 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,049 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:22:24,049 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:22:24,049 INFO L132 ssoRankerPreferences]: Filename of dumped script: cll_search-alloca-2.i_Iteration1_Lasso [2024-11-28 02:22:24,049 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:22:24,050 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:22:24,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:24,710 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:22:24,714 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:22:24,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 02:22:24,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:24,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:24,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:24,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:24,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:24,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:24,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:24,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:24,756 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:24,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:24,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:22:24,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:24,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:24,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:24,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:24,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:24,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:24,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:24,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:24,794 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:24,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 02:22:24,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:22:24,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:24,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:24,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:24,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:24,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:24,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:24,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:24,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:24,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:24,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 02:22:24,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,844 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:22:24,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:24,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:24,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:24,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:24,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:24,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:24,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:24,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:24,865 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:24,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 02:22:24,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,879 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:22:24,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:24,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:24,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:24,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:24,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:24,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:24,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:24,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:24,905 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:24,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:24,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,916 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:24,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:22:24,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:24,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:24,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:24,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:24,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:24,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:24,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:24,939 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:24,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:24,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,951 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:24,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:22:24,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:24,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:24,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:24,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:24,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:24,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:24,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:24,972 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:24,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 02:22:24,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:24,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,985 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:22:24,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:25,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:25,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:25,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 02:22:25,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,018 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:22:25,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:25,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:25,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:25,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 02:22:25,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,053 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:22:25,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:25,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:25,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:25,075 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 02:22:25,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,084 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:22:25,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:25,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:25,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:25,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 02:22:25,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,110 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:22:25,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:25,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:25,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:25,128 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 02:22:25,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,136 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:22:25,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:25,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:25,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 02:22:25,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,177 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:22:25,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:25,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:25,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:25,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,223 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:22:25,228 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 [2024-11-28 02:22:25,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:25,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:25,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:25,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:25,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,258 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:22:25,261 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 [2024-11-28 02:22:25,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:25,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:25,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:25,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,297 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:22:25,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:25,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:25,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:25,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 02:22:25,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,333 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:22:25,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:25,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:25,366 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 02:22:25,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,378 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:22:25,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,398 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-28 02:22:25,398 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 02:22:25,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,415 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-11-28 02:22:25,415 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:22:25,438 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:25,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:25,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,450 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:22:25,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:25,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:25,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:25,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:25,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:25,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:25,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:25,496 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:22:25,528 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-28 02:22:25,531 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-28 02:22:25,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:25,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:25,535 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:25,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:22:25,537 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:22:25,551 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-28 02:22:25,551 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:22:25,552 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n#1, v_rep(select (select #memory_int#0 ULTIMATE.start_init_cll_~curr~0#1.base) 0)_1) = 1*ULTIMATE.start_init_cll_~n#1 - 1*v_rep(select (select #memory_int#0 ULTIMATE.start_init_cll_~curr~0#1.base) 0)_1 Supporting invariants [1*ULTIMATE.start_init_cll_~i~0#1 - 1*v_rep(select (select #memory_int#0 ULTIMATE.start_init_cll_~curr~0#1.base) 0)_1 - 1 >= 0] [2024-11-28 02:22:25,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:25,581 INFO L156 tatePredicateManager]: 1 out of 3 supporting invariants were superfluous and have been removed [2024-11-28 02:22:25,595 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-28 02:22:25,595 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-28 02:22:25,596 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~curr~0!base,]]] [2024-11-28 02:22:25,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:25,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:22:25,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:25,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:22:25,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:25,810 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:22:25,812 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:25,916 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 24 states and 31 transitions. Complement of second has 6 states. [2024-11-28 02:22:25,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:22:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-11-28 02:22:25,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-28 02:22:25,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:25,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 02:22:25,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:25,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 02:22:25,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:25,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2024-11-28 02:22:25,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:22:25,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 10 states and 12 transitions. [2024-11-28 02:22:25,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-28 02:22:25,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-28 02:22:25,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2024-11-28 02:22:25,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:22:25,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-28 02:22:25,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2024-11-28 02:22:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-28 02:22:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 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) [2024-11-28 02:22:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2024-11-28 02:22:25,964 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-28 02:22:25,964 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-28 02:22:25,964 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:22:25,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2024-11-28 02:22:25,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:22:25,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:25,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:25,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 02:22:25,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 02:22:25,965 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_#t~nondet9#1, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int#0(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1;" "assume !(init_cll_~i~0#1 < init_cll_~n#1);" "havoc init_cll_~i~0#1;call write~$Pointer$#0(init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_#res#1.base, init_cll_#res#1.offset := init_cll_~head~0#1.base, init_cll_~head~0#1.offset;" "main_#t~ret8#1.base, main_#t~ret8#1.offset := init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc3#1.base, init_cll_#t~malloc3#1.offset, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_#t~post4#1, init_cll_~i~0#1, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;havoc init_cll_#in~n#1;assume { :end_inline_init_cll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret8#1.base, main_#t~ret8#1.offset;havoc main_#t~ret8#1.base, main_#t~ret8#1.offset;havoc main_#t~nondet9#1;assume { :begin_inline_search } true;search_#in~head#1.base, search_#in~head#1.offset, search_#in~i#1 := main_~head~1#1.base, main_~head~1#1.offset, main_#t~nondet9#1;havoc search_#t~mem5#1, search_#t~mem6#1.base, search_#t~mem6#1.offset, search_~head#1.base, search_~head#1.offset, search_~i#1, search_~curr~1#1.base, search_~curr~1#1.offset;search_~head#1.base, search_~head#1.offset := search_#in~head#1.base, search_#in~head#1.offset;search_~i#1 := search_#in~i#1;search_~curr~1#1.base, search_~curr~1#1.offset := search_~head#1.base, search_~head#1.offset;" [2024-11-28 02:22:25,965 INFO L749 eck$LassoCheckResult]: Loop: "call search_#t~mem5#1 := read~int#0(search_~curr~1#1.base, search_~curr~1#1.offset, 4);" "assume search_#t~mem5#1 != search_~i#1;havoc search_#t~mem5#1;" "call search_#t~mem6#1.base, search_#t~mem6#1.offset := read~$Pointer$#0(search_~curr~1#1.base, 4 + search_~curr~1#1.offset, 8);search_~curr~1#1.base, search_~curr~1#1.offset := search_#t~mem6#1.base, search_#t~mem6#1.offset;havoc search_#t~mem6#1.base, search_#t~mem6#1.offset;" [2024-11-28 02:22:25,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:25,966 INFO L85 PathProgramCache]: Analyzing trace with hash 28698857, now seen corresponding path program 1 times [2024-11-28 02:22:25,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:25,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838151874] [2024-11-28 02:22:25,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:25,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:25,995 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:26,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:26,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:26,020 INFO L85 PathProgramCache]: Analyzing trace with hash 51737, now seen corresponding path program 1 times [2024-11-28 02:22:26,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:26,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656627076] [2024-11-28 02:22:26,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:26,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:26,033 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:26,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:26,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:26,042 INFO L85 PathProgramCache]: Analyzing trace with hash 269178929, now seen corresponding path program 1 times [2024-11-28 02:22:26,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:26,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494797870] [2024-11-28 02:22:26,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:26,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:26,066 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:26,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:26,825 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:26,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-28 02:22:26,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-28 02:22:26,882 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-28 02:22:26,882 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-28 02:22:26,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:22:26 BoogieIcfgContainer [2024-11-28 02:22:26,883 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:22:26,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:22:26,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:22:26,885 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:22:26,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:22" (3/4) ... [2024-11-28 02:22:26,888 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 02:22:26,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-28 02:22:26,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2024-11-28 02:22:26,930 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:22:26,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:22:26,931 INFO L158 Benchmark]: Toolchain (without parser) took 5637.15ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.3MB in the beginning and 173.4MB in the end (delta: -81.1MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. [2024-11-28 02:22:26,932 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:26,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.38ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:22:26,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:26,934 INFO L158 Benchmark]: Boogie Preprocessor took 38.81ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:26,934 INFO L158 Benchmark]: RCFGBuilder took 413.70ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 60.7MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:22:26,935 INFO L158 Benchmark]: BuchiAutomizer took 4579.73ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 60.7MB in the beginning and 175.5MB in the end (delta: -114.8MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2024-11-28 02:22:26,935 INFO L158 Benchmark]: Witness Printer took 45.02ms. Allocated memory is still 352.3MB. Free memory was 175.5MB in the beginning and 173.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:22:26,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.38ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.81ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.70ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 60.7MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4579.73ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 60.7MB in the beginning and 175.5MB in the end (delta: -114.8MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. * Witness Printer took 45.02ms. Allocated memory is still 352.3MB. Free memory was 175.5MB in the beginning and 173.4MB in the end (delta: 2.1MB). 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[~curr~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function null and consists of 4 locations. The remainder module has 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital254 mio100 ax100 hnf100 lsp98 ukn30 mio100 lsp33 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf151 smp85 tf100 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 62ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L570] int n = __VERIFIER_nondet_int(); [L571] CALL, EXPR init_cll(n) [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; VAL [curr={-1:0}, head={-1:0}, i=1, n=0] [L552] COND FALSE !(i < n) VAL [curr={-1:0}, head={-1:0}] [L558] curr->next = head [L559] return head; VAL [\result={-1:0}] [L571] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL search(head, __VERIFIER_nondet_int()) [L563] node_t* curr = head; VAL [curr={-1:0}, i=29] Loop: [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L571] CALL, EXPR init_cll(n) [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; VAL [curr={-1:0}, head={-1:0}, i=1, n=0] [L552] COND FALSE !(i < n) VAL [curr={-1:0}, head={-1:0}] [L558] curr->next = head [L559] return head; VAL [\result={-1:0}] [L571] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL search(head, __VERIFIER_nondet_int()) [L563] node_t* curr = head; VAL [curr={-1:0}, i=29] Loop: [L564] EXPR curr->val [L564] COND TRUE curr->val != i [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 02:22:26,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 02:22:27,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f21a9-9a99-4f45-b1e5-82431363fb76/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)