./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.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_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/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_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/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_34860ea3-135b-4a49-839e-21ca2bcac551/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 de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:17:38,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:17:38,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-27 23:17:38,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:17:38,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:17:39,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:17:39,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:17:39,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:17:39,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:17:39,022 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:17:39,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:17:39,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:17:39,024 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:17:39,025 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 23:17:39,026 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 23:17:39,026 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 23:17:39,026 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 23:17:39,026 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 23:17:39,026 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 23:17:39,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 23:17:39,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:17:39,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:17:39,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:17:39,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:17:39,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:17:39,028 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 23:17:39,029 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 23:17:39,029 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_34860ea3-135b-4a49-839e-21ca2bcac551/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 -> de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 [2024-11-27 23:17:39,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:17:39,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:17:39,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:17:39,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:17:39,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:17:39,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i [2024-11-27 23:17:42,403 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/data/f423afdb3/93969380210c4551baae238b421b897b/FLAGeabd1e4a5 [2024-11-27 23:17:42,733 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:17:42,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i [2024-11-27 23:17:42,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/data/f423afdb3/93969380210c4551baae238b421b897b/FLAGeabd1e4a5 [2024-11-27 23:17:42,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/data/f423afdb3/93969380210c4551baae238b421b897b [2024-11-27 23:17:42,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:17:42,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:17:42,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:17:42,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:17:42,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:17:42,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:17:42" (1/1) ... [2024-11-27 23:17:42,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d21405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:42, skipping insertion in model container [2024-11-27 23:17:42,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:17:42" (1/1) ... [2024-11-27 23:17:42,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:17:43,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:17:43,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:17:43,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:17:43,114 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:17:43,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43 WrapperNode [2024-11-27 23:17:43,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:17:43,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:17:43,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:17:43,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:17:43,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,153 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-27 23:17:43,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:17:43,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:17:43,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:17:43,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:17:43,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,176 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-27 23:17:43,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:17:43,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:17:43,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:17:43,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:17:43,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (1/1) ... [2024-11-27 23:17:43,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:43,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:43,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:43,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 23:17:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:17:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:17:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:17:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:17:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:17:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:17:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:17:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:17:43,384 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:17:43,387 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:17:43,551 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-27 23:17:43,551 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:17:43,563 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:17:43,564 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:17:43,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:43 BoogieIcfgContainer [2024-11-27 23:17:43,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:17:43,566 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 23:17:43,566 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 23:17:43,571 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 23:17:43,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:17:43,572 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 11:17:42" (1/3) ... [2024-11-27 23:17:43,574 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a151173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:17:43, skipping insertion in model container [2024-11-27 23:17:43,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:17:43,574 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:43" (2/3) ... [2024-11-27 23:17:43,575 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a151173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:17:43, skipping insertion in model container [2024-11-27 23:17:43,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:17:43,575 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:43" (3/3) ... [2024-11-27 23:17:43,577 INFO L363 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcspn-alloca-1.i [2024-11-27 23:17:43,629 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 23:17:43,629 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 23:17:43,630 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 23:17:43,630 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 23:17:43,630 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 23:17:43,630 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 23:17:43,630 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 23:17:43,630 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 23:17:43,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2024-11-27 23:17:43,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 23:17:43,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:17:43,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:17:43,664 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-27 23:17:43,664 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 23:17:43,664 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 23:17:43,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2024-11-27 23:17:43,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 23:17:43,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:17:43,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:17:43,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-27 23:17:43,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 23:17:43,674 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~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" [2024-11-27 23:17:43,675 INFO L749 eck$LassoCheckResult]: Loop: "cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;" "assume !true;" [2024-11-27 23:17:43,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:43,684 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-11-27 23:17:43,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:43,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393725111] [2024-11-27 23:17:43,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:43,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:43,829 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:43,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:43,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:43,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1586, now seen corresponding path program 1 times [2024-11-27 23:17:43,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:43,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711819920] [2024-11-27 23:17:43,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:43,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:43,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:17:43,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711819920] [2024-11-27 23:17:43,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711819920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:17:43,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080652520] [2024-11-27 23:17:43,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:43,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:17:43,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:43,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:17:43,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:17:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:43,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:17:43,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:43,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:17:43,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080652520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:17:43,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:17:43,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1, 1, 1] total 1 [2024-11-27 23:17:43,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432545542] [2024-11-27 23:17:43,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:17:43,987 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 23:17:43,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:17:44,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:17:44,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:17:44,016 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-11-27 23:17:44,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:44,022 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-11-27 23:17:44,024 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-11-27 23:17:44,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 23:17:44,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2024-11-27 23:17:44,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-27 23:17:44,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-27 23:17:44,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-27 23:17:44,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:17:44,035 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-27 23:17:44,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-27 23:17:44,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-27 23:17:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-27 23:17:44,062 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-27 23:17:44,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:17:44,066 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-27 23:17:44,067 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 23:17:44,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-27 23:17:44,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 23:17:44,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:17:44,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:17:44,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-27 23:17:44,068 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:17:44,068 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~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" [2024-11-27 23:17:44,068 INFO L749 eck$LassoCheckResult]: Loop: "cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" "assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1;" "assume !(0 != cstrcspn_~sc~0#1);" [2024-11-27 23:17:44,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:44,069 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2024-11-27 23:17:44,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:44,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772456377] [2024-11-27 23:17:44,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:44,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:44,149 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:44,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:44,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:44,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1512554, now seen corresponding path program 1 times [2024-11-27 23:17:44,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:44,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760261514] [2024-11-27 23:17:44,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:44,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:44,215 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:44,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:44,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1298319151, now seen corresponding path program 1 times [2024-11-27 23:17:44,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:44,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824051822] [2024-11-27 23:17:44,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:44,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:44,269 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:44,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:45,677 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:17:45,678 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:17:45,678 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:17:45,678 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:17:45,678 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:17:45,678 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:45,678 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:17:45,679 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:17:45,679 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcspn-alloca-1.i_Iteration2_Lasso [2024-11-27 23:17:45,679 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:17:45,679 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:17:45,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:45,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:46,699 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:17:46,708 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:17:46,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 23:17:46,718 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 [2024-11-27 23:17:46,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:46,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:46,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:46,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:46,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:46,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:46,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:46,748 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:46,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-27 23:17:46,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 23:17:46,768 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 [2024-11-27 23:17:46,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:46,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:46,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:46,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:46,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:46,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:46,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:46,782 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:46,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:46,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,795 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 23:17:46,799 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 [2024-11-27 23:17:46,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:46,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:46,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:46,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:46,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:46,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:46,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:46,816 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:46,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-27 23:17:46,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,829 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 23:17:46,833 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 [2024-11-27 23:17:46,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:46,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:46,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:46,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:46,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:46,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:46,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:46,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:46,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-27 23:17:46,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 23:17:46,870 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 [2024-11-27 23:17:46,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:46,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:46,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:46,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:46,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:46,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:46,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:46,886 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:46,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:46,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,894 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 23:17:46,897 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 [2024-11-27 23:17:46,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:46,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:46,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:46,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:46,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:46,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:46,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:46,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:46,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-27 23:17:46,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,922 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 23:17:46,927 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 [2024-11-27 23:17:46,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:46,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:46,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:46,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:46,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:46,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:46,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:46,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:46,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:46,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 23:17:46,967 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 [2024-11-27 23:17:46,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:46,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:46,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:46,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:46,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:46,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:46,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:46,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:46,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:46,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:46,998 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:46,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 23:17:47,000 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 [2024-11-27 23:17:47,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:47,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:47,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:47,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:47,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:47,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:47,019 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:47,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 23:17:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:47,031 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:47,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 23:17:47,036 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 [2024-11-27 23:17:47,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:47,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:47,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:47,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:47,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:47,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:47,067 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:47,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:47,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:47,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:47,080 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:47,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 23:17:47,085 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 [2024-11-27 23:17:47,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:47,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:47,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:47,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:47,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:47,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:47,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:47,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-27 23:17:47,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:47,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:47,140 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:47,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 23:17:47,146 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 [2024-11-27 23:17:47,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:47,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:47,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:47,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:47,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:47,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:47,179 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:17:47,227 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-27 23:17:47,230 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-27 23:17:47,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:47,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:47,238 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:47,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 23:17:47,240 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:17:47,256 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:17:47,257 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:17:47,257 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1, ULTIMATE.start_cstrcspn_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 - 1*ULTIMATE.start_cstrcspn_~p~0#1.offset Supporting invariants [] [2024-11-27 23:17:47,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:47,313 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-27 23:17:47,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 23:17:47,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 23:17:47,323 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-27 23:17:47,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:47,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:17:47,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:47,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-27 23:17:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:47,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:17:47,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:17:47,501 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 [2024-11-27 23:17:47,502 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:47,563 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 20 transitions. Complement of second has 4 states. [2024-11-27 23:17:47,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 23:17:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-11-27 23:17:47,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-27 23:17:47,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:47,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-27 23:17:47,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:47,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-27 23:17:47,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:47,576 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2024-11-27 23:17:47,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:17:47,577 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 19 transitions. [2024-11-27 23:17:47,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-27 23:17:47,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-27 23:17:47,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2024-11-27 23:17:47,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:17:47,577 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2024-11-27 23:17:47,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2024-11-27 23:17:47,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-11-27 23:17:47,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-27 23:17:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-27 23:17:47,581 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-27 23:17:47,581 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-27 23:17:47,581 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 23:17:47,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-27 23:17:47,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:17:47,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:17:47,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:17:47,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:47,583 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:17:47,583 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~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" "cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" [2024-11-27 23:17:47,583 INFO L749 eck$LassoCheckResult]: Loop: "assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1;" "assume 0 != cstrcspn_~sc~0#1;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" [2024-11-27 23:17:47,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:47,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935594, now seen corresponding path program 1 times [2024-11-27 23:17:47,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:47,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135207578] [2024-11-27 23:17:47,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:47,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:47,630 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:47,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:47,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:47,673 INFO L85 PathProgramCache]: Analyzing trace with hash 57683, now seen corresponding path program 1 times [2024-11-27 23:17:47,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:47,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647039555] [2024-11-27 23:17:47,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:47,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:47,683 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:47,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:47,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:47,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1593187978, now seen corresponding path program 1 times [2024-11-27 23:17:47,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:47,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483273619] [2024-11-27 23:17:47,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:47,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:47,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:47,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:49,060 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:17:49,060 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:17:49,061 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:17:49,061 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:17:49,061 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:17:49,061 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:49,061 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:17:49,061 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:17:49,061 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcspn-alloca-1.i_Iteration3_Lasso [2024-11-27 23:17:49,061 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:17:49,061 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:17:49,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:49,927 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:17:49,927 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:17:49,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:49,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:49,932 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:49,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 23:17:49,936 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 [2024-11-27 23:17:49,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:49,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:49,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:49,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:49,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:49,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:49,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:49,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:49,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-27 23:17:49,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:49,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:49,964 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:49,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 23:17:49,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:17:49,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:49,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:49,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:49,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:49,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:49,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:49,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:49,981 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:49,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-27 23:17:49,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:49,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:49,993 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:49,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 23:17:49,995 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 [2024-11-27 23:17:50,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:50,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:50,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:50,008 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:50,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,017 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 23:17:50,019 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 [2024-11-27 23:17:50,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:50,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:50,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:50,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-27 23:17:50,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,039 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-27 23:17:50,041 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 [2024-11-27 23:17:50,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:50,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:50,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:50,055 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-27 23:17:50,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,064 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-27 23:17:50,067 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 [2024-11-27 23:17:50,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:50,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:50,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:50,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,098 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 23:17:50,099 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 [2024-11-27 23:17:50,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:50,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:50,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:50,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-27 23:17:50,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,122 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 23:17:50,124 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 [2024-11-27 23:17:50,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:50,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:50,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:50,137 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-27 23:17:50,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,144 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 23:17:50,149 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 [2024-11-27 23:17:50,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:50,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:50,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:50,163 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-27 23:17:50,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,173 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 23:17:50,175 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 [2024-11-27 23:17:50,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:50,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:50,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:50,192 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-27 23:17:50,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,203 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 23:17:50,206 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 [2024-11-27 23:17:50,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:50,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:50,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:50,219 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-27 23:17:50,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,227 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-27 23:17:50,230 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 [2024-11-27 23:17:50,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,241 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-11-27 23:17:50,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,284 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-11-27 23:17:50,284 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-11-27 23:17:50,359 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-27 23:17:50,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,371 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-27 23:17:50,374 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 [2024-11-27 23:17:50,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:50,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:50,393 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-27 23:17:50,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,405 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-27 23:17:50,409 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 [2024-11-27 23:17:50,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:50,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:50,430 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-27 23:17:50,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,442 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-27 23:17:50,446 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 [2024-11-27 23:17:50,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:50,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:50,468 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-27 23:17:50,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,479 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-27 23:17:50,483 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 [2024-11-27 23:17:50,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:50,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:50,512 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:50,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-27 23:17:50,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,524 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-27 23:17:50,528 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 [2024-11-27 23:17:50,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:50,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:50,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:50,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:50,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:50,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:50,560 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:17:50,583 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-27 23:17:50,583 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-27 23:17:50,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:50,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:50,585 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:50,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-27 23:17:50,589 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:17:50,605 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:17:50,605 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:17:50,605 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2, ULTIMATE.start_cstrcspn_~spanp~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 - 1*ULTIMATE.start_cstrcspn_~spanp~0#1.offset Supporting invariants [] [2024-11-27 23:17:50,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-27 23:17:50,633 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-11-27 23:17:50,635 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~spanp~0!offset [2024-11-27 23:17:50,636 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 23:17:50,636 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 23:17:50,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:50,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:17:50,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:50,740 WARN L254 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:17:50,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:17:50,768 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2024-11-27 23:17:50,768 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:50,820 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 7 states. [2024-11-27 23:17:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 23:17:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:50,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-27 23:17:50,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-27 23:17:50,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:50,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-27 23:17:50,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:50,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-27 23:17:50,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:50,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2024-11-27 23:17:50,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:17:50,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 20 states and 25 transitions. [2024-11-27 23:17:50,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-27 23:17:50,826 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-27 23:17:50,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2024-11-27 23:17:50,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:17:50,826 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-27 23:17:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2024-11-27 23:17:50,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-11-27 23:17:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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) [2024-11-27 23:17:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2024-11-27 23:17:50,828 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-27 23:17:50,828 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-27 23:17:50,828 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 23:17:50,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2024-11-27 23:17:50,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:17:50,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:17:50,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:17:50,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:50,830 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:17:50,830 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~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" "cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" "assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1;" "assume !(0 != cstrcspn_~sc~0#1);" "cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" [2024-11-27 23:17:50,830 INFO L749 eck$LassoCheckResult]: Loop: "assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1;" "assume 0 != cstrcspn_~sc~0#1;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" [2024-11-27 23:17:50,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:50,830 INFO L85 PathProgramCache]: Analyzing trace with hash 2144188883, now seen corresponding path program 2 times [2024-11-27 23:17:50,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:50,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315821983] [2024-11-27 23:17:50,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:50,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:50,866 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:50,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-27 23:17:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:50,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:50,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:50,915 INFO L85 PathProgramCache]: Analyzing trace with hash 57683, now seen corresponding path program 2 times [2024-11-27 23:17:50,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:50,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805311941] [2024-11-27 23:17:50,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:50,924 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:50,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:50,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:50,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1517552063, now seen corresponding path program 1 times [2024-11-27 23:17:50,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:50,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306372851] [2024-11-27 23:17:50,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:50,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:51,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:17:51,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306372851] [2024-11-27 23:17:51,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306372851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:17:51,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861769996] [2024-11-27 23:17:51,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:51,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:17:51,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:51,197 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:17:51,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-27 23:17:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:51,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-27 23:17:51,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:51,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 23:17:51,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:17:51,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861769996] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:17:51,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:17:51,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-11-27 23:17:51,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534392587] [2024-11-27 23:17:51,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:17:51,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:17:51,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:17:51,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:17:51,573 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:51,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:51,660 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2024-11-27 23:17:51,660 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2024-11-27 23:17:51,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:17:51,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 25 states and 30 transitions. [2024-11-27 23:17:51,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:17:51,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:17:51,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2024-11-27 23:17:51,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:17:51,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-27 23:17:51,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2024-11-27 23:17:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2024-11-27 23:17:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-27 23:17:51,665 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-27 23:17:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:17:51,666 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-27 23:17:51,667 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-27 23:17:51,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2024-11-27 23:17:51,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:17:51,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:17:51,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:17:51,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:51,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:17:51,669 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~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" "cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" "assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1;" "assume 0 != cstrcspn_~sc~0#1;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" "assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1;" "assume !(0 != cstrcspn_~sc~0#1);" "cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" [2024-11-27 23:17:51,669 INFO L749 eck$LassoCheckResult]: Loop: "assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1;" "assume 0 != cstrcspn_~sc~0#1;" "cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1;" [2024-11-27 23:17:51,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:51,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1570962893, now seen corresponding path program 2 times [2024-11-27 23:17:51,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:51,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539996206] [2024-11-27 23:17:51,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:51,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:51,698 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:51,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:51,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:51,717 INFO L85 PathProgramCache]: Analyzing trace with hash 57683, now seen corresponding path program 3 times [2024-11-27 23:17:51,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:51,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288095389] [2024-11-27 23:17:51,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:51,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:51,724 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:51,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:51,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:51,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1703107041, now seen corresponding path program 3 times [2024-11-27 23:17:51,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:17:51,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485934242] [2024-11-27 23:17:51,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:51,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:51,768 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:17:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:17:51,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:17:53,284 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:17:53,284 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:17:53,284 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:17:53,284 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:17:53,285 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:17:53,285 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:53,285 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:17:53,285 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:17:53,285 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcspn-alloca-1.i_Iteration5_Lasso [2024-11-27 23:17:53,285 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:17:53,285 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:17:53,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:53,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:17:54,508 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:17:54,508 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:17:54,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,510 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-27 23:17:54,514 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 [2024-11-27 23:17:54,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,532 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:54,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,544 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,548 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 [2024-11-27 23:17:54,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-27 23:17:54,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,566 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:54,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,579 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-27 23:17:54,583 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 [2024-11-27 23:17:54,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,604 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-27 23:17:54,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,617 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-27 23:17:54,622 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 [2024-11-27 23:17:54,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,638 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-27 23:17:54,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,649 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,654 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 [2024-11-27 23:17:54,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-27 23:17:54,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,672 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:54,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,685 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-27 23:17:54,689 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 [2024-11-27 23:17:54,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,705 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-27 23:17:54,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,716 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-27 23:17:54,720 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 [2024-11-27 23:17:54,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:54,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:54,740 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-27 23:17:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,752 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-27 23:17:54,756 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 [2024-11-27 23:17:54,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,772 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-27 23:17:54,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,785 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-27 23:17:54,788 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 [2024-11-27 23:17:54,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,801 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:54,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,809 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-27 23:17:54,815 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 [2024-11-27 23:17:54,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:54,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,843 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-27 23:17:54,847 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 [2024-11-27 23:17:54,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:54,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:54,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:54,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,881 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-27 23:17:54,885 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 [2024-11-27 23:17:54,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:54,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:54,900 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-27 23:17:54,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,907 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-27 23:17:54,910 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 [2024-11-27 23:17:54,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-27 23:17:54,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,931 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-27 23:17:54,933 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 [2024-11-27 23:17:54,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-27 23:17:54,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,957 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-27 23:17:54,961 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 [2024-11-27 23:17:54,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:54,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:54,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:54,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:54,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:54,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:54,983 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:54,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-27 23:17:54,986 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 [2024-11-27 23:17:54,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:54,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:54,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:54,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:54,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:54,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:54,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:54,998 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-27 23:17:55,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,006 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-27 23:17:55,008 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 [2024-11-27 23:17:55,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:55,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:55,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:55,023 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-27 23:17:55,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,036 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-27 23:17:55,045 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 [2024-11-27 23:17:55,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:55,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:55,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:55,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,070 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-27 23:17:55,073 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 [2024-11-27 23:17:55,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:55,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:55,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:55,086 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-27 23:17:55,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,093 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-27 23:17:55,095 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 [2024-11-27 23:17:55,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:55,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:55,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:55,108 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-27 23:17:55,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,115 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-27 23:17:55,118 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 [2024-11-27 23:17:55,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:55,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:55,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:55,130 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-27 23:17:55,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,138 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-27 23:17:55,140 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 [2024-11-27 23:17:55,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:55,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:55,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:55,155 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-27 23:17:55,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,167 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-27 23:17:55,171 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 [2024-11-27 23:17:55,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:55,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:55,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:55,188 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-27 23:17:55,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,200 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-27 23:17:55,203 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 [2024-11-27 23:17:55,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:17:55,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:17:55,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:17:55,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-27 23:17:55,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,223 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-27 23:17:55,225 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 [2024-11-27 23:17:55,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:55,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:55,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-27 23:17:55,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,248 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-27 23:17:55,251 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 [2024-11-27 23:17:55,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:55,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:55,267 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:17:55,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:55,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,276 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-27 23:17:55,278 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 [2024-11-27 23:17:55,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:17:55,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:17:55,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:17:55,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:17:55,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:17:55,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:17:55,300 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:17:55,321 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-27 23:17:55,322 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-27 23:17:55,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:17:55,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:55,329 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:55,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-27 23:17:55,332 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:17:55,351 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:17:55,351 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:17:55,351 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~spanp~0#1.base)_2, ULTIMATE.start_cstrcspn_~spanp~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~spanp~0#1.base)_2 - 1*ULTIMATE.start_cstrcspn_~spanp~0#1.offset Supporting invariants [] [2024-11-27 23:17:55,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-27 23:17:55,389 INFO L156 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2024-11-27 23:17:55,391 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 23:17:55,391 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 23:17:55,391 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~spanp~0!offset [2024-11-27 23:17:55,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:55,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:17:55,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:55,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-27 23:17:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:55,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:17:55,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:17:55,485 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-27 23:17:55,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:55,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 33 transitions. Complement of second has 5 states. [2024-11-27 23:17:55,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 23:17:55,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:55,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:17:55,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 14 letters. Loop has 3 letters. [2024-11-27 23:17:55,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:55,501 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:17:55,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:55,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:17:55,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:55,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:17:55,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:17:55,597 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-27 23:17:55,597 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:55,608 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 33 transitions. Complement of second has 5 states. [2024-11-27 23:17:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 23:17:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:17:55,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 14 letters. Loop has 3 letters. [2024-11-27 23:17:55,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:55,612 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:17:55,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:55,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:17:55,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:55,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:17:55,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:17:55,705 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-27 23:17:55,705 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:55,718 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 41 transitions. Complement of second has 4 states. [2024-11-27 23:17:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 23:17:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:17:55,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2024-11-27 23:17:55,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 14 letters. Loop has 3 letters. [2024-11-27 23:17:55,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:55,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 17 letters. Loop has 3 letters. [2024-11-27 23:17:55,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:55,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 14 letters. Loop has 6 letters. [2024-11-27 23:17:55,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:17:55,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2024-11-27 23:17:55,725 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 23:17:55,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2024-11-27 23:17:55,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 23:17:55,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 23:17:55,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 23:17:55,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:17:55,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:17:55,726 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:17:55,726 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:17:55,726 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-27 23:17:55,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:17:55,727 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 23:17:55,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 23:17:55,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 11:17:55 BoogieIcfgContainer [2024-11-27 23:17:55,739 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 23:17:55,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:17:55,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:17:55,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:17:55,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:43" (3/4) ... [2024-11-27 23:17:55,743 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:17:55,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:17:55,744 INFO L158 Benchmark]: Toolchain (without parser) took 12984.01ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.2MB in the beginning and 88.5MB in the end (delta: 3.7MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-11-27 23:17:55,746 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:55,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.81ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 75.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:17:55,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.20ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:55,747 INFO L158 Benchmark]: Boogie Preprocessor took 35.37ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:55,747 INFO L158 Benchmark]: RCFGBuilder took 375.01ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 60.7MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:17:55,747 INFO L158 Benchmark]: BuchiAutomizer took 12173.62ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.7MB in the beginning and 88.5MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:55,748 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 88.5MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:55,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.81ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 75.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.20ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.37ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.01ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 60.7MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 12173.62ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.7MB in the beginning and 88.5MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 88.5MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~spanp~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~spanp~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.1s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 11.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 82 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital226 mio100 ax107 hnf100 lsp91 ukn70 mio100 lsp28 div100 bol100 ite100 ukn100 eq173 hnf91 smp97 dnf229 smp92 tf100 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 133ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 23:17:55,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-27 23:17:55,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:17:56,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34860ea3-135b-4a49-839e-21ca2bcac551/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 Result: TRUE