./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya --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 ae37599e398d4579dc13aa902332f9c984a4acd0674bb835a0d1e4887393314e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:57:38,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:57:38,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 06:57:38,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:57:38,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:57:38,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:57:38,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:57:38,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:57:38,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:57:38,829 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:57:38,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:57:38,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:57:38,831 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:57:38,831 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:57:38,832 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:57:38,832 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:57:38,833 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:57:38,833 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:57:38,834 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:57:38,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:57:38,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:57:38,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:57:38,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:57:38,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:57:38,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:57:38,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:57:38,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:57:38,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:57:38,839 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:57:38,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:57:38,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:57:38,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:57:38,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:57:38,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:57:38,857 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:57:38,858 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae37599e398d4579dc13aa902332f9c984a4acd0674bb835a0d1e4887393314e [2023-11-29 06:57:39,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:57:39,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:57:39,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:57:39,141 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:57:39,141 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:57:39,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2023-11-29 06:57:41,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:57:42,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:57:42,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2023-11-29 06:57:42,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/data/799a0e908/c469058ca1ae45b28010fcddc9648b98/FLAGde7aaa580 [2023-11-29 06:57:42,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/data/799a0e908/c469058ca1ae45b28010fcddc9648b98 [2023-11-29 06:57:42,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:57:42,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:57:42,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:57:42,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:57:42,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:57:42,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731164e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42, skipping insertion in model container [2023-11-29 06:57:42,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:57:42,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:57:42,441 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:57:42,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:57:42,509 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:57:42,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42 WrapperNode [2023-11-29 06:57:42,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:57:42,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:57:42,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:57:42,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:57:42,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,550 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-29 06:57:42,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:57:42,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:57:42,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:57:42,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:57:42,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,576 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 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]. [2023-11-29 06:57:42,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:57:42,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:57:42,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:57:42,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:57:42,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (1/1) ... [2023-11-29 06:57:42,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:42,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:42,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:42,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:57:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:57:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:57:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:57:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:57:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:57:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:57:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:57:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:57:42,785 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:57:42,787 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:57:42,902 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:57:42,909 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:57:42,909 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:57:42,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:57:42 BoogieIcfgContainer [2023-11-29 06:57:42,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:57:42,911 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:57:42,911 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:57:42,914 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:57:42,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:57:42,914 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:57:42" (1/3) ... [2023-11-29 06:57:42,915 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10038183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:57:42, skipping insertion in model container [2023-11-29 06:57:42,915 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:57:42,915 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:42" (2/3) ... [2023-11-29 06:57:42,916 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10038183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:57:42, skipping insertion in model container [2023-11-29 06:57:42,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:57:42,916 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:57:42" (3/3) ... [2023-11-29 06:57:42,917 INFO L332 chiAutomizerObserver]: Analyzing ICFG subseq-alloca-1.i [2023-11-29 06:57:42,957 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:57:42,957 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:57:42,957 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:57:42,957 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:57:42,957 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:57:42,958 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:57:42,958 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:57:42,958 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:57:42,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:57:42,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:57:42,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:57:42,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:57:42,982 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 06:57:42,982 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 06:57:42,982 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:57:42,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:57:42,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:57:42,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:57:42,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:57:42,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 06:57:42,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 06:57:42,992 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#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~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 14#L563true assume !(main_~length1~0#1 < 1); 7#L563-2true assume !(main_~length2~0#1 < 1); 15#L566-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 2#L551-5true [2023-11-29 06:57:42,992 INFO L750 eck$LassoCheckResult]: Loop: 2#L551-5true call subseq_#t~mem2#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 4#L551-1true assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 5#L551-3true assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 8#L552true assume subseq_#t~mem5#1 == subseq_#t~mem6#1;havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1;subseq_#t~post7#1.base, subseq_#t~post7#1.offset := subseq_~ps~0#1.base, subseq_~ps~0#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_#t~post7#1.base, 1 + subseq_#t~post7#1.offset;havoc subseq_#t~post7#1.base, subseq_#t~post7#1.offset; 10#L552-2true subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 2#L551-5true [2023-11-29 06:57:42,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:42,998 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-29 06:57:43,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:43,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915820016] [2023-11-29 06:57:43,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:43,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:43,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:57:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:43,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:57:43,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:43,191 INFO L85 PathProgramCache]: Analyzing trace with hash 47815647, now seen corresponding path program 1 times [2023-11-29 06:57:43,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:43,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791263213] [2023-11-29 06:57:43,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:43,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:43,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:57:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:43,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:57:43,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:43,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1594114490, now seen corresponding path program 1 times [2023-11-29 06:57:43,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:43,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266178657] [2023-11-29 06:57:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:43,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:43,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:57:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:43,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:57:44,483 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:57:44,484 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:57:44,484 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:57:44,484 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:57:44,484 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:57:44,484 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:44,484 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:57:44,485 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:57:44,485 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-1.i_Iteration1_Lasso [2023-11-29 06:57:44,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:57:44,485 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:57:44,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:44,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:44,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:45,967 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:57:45,971 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:57:45,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:45,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:45,975 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:45,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 06:57:45,989 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 [2023-11-29 06:57:45,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:46,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:57:46,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:46,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:46,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:46,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:57:46,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:57:46,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:46,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:57:46,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:46,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:46,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:46,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 06:57:46,020 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 [2023-11-29 06:57:46,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:46,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:57:46,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:46,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:46,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:46,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:57:46,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:57:46,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:46,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 06:57:46,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:46,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:46,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:46,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 06:57:46,049 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 [2023-11-29 06:57:46,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:46,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:57:46,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:46,063 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 06:57:46,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:46,066 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 06:57:46,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:57:46,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:46,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 06:57:46,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:46,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:46,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:46,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 06:57:46,080 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 [2023-11-29 06:57:46,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:46,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:46,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:46,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:46,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:46,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:46,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:46,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 06:57:46,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:46,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:46,109 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:46,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 06:57:46,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:57:46,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:46,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:46,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:46,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:46,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:46,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:46,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:57:46,207 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-29 06:57:46,207 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-29 06:57:46,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:46,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:46,236 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:46,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 06:57:46,239 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:57:46,250 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 06:57:46,251 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:57:46,251 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_subseq_~ps~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_subseq_~ps~0#1.offset Supporting invariants [] [2023-11-29 06:57:46,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 06:57:46,342 INFO L156 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2023-11-29 06:57:46,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated [2023-11-29 06:57:46,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:57:46,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:57:46,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:57:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:57:46,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:57:46,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:57:46,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 06:57:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:57:46,570 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 06:57:46,572 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:57:46,647 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 8 states. [2023-11-29 06:57:46,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 06:57:46,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:57:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2023-11-29 06:57:46,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 5 letters. [2023-11-29 06:57:46,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:57:46,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 10 letters. Loop has 5 letters. [2023-11-29 06:57:46,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:57:46,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 10 letters. [2023-11-29 06:57:46,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:57:46,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 48 transitions. [2023-11-29 06:57:46,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:57:46,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 20 states and 28 transitions. [2023-11-29 06:57:46,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-29 06:57:46,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-29 06:57:46,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2023-11-29 06:57:46,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:57:46,667 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 28 transitions. [2023-11-29 06:57:46,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2023-11-29 06:57:46,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2023-11-29 06:57:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 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) [2023-11-29 06:57:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2023-11-29 06:57:46,687 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-29 06:57:46,687 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-29 06:57:46,687 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 06:57:46,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2023-11-29 06:57:46,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:57:46,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:57:46,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:57:46,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 06:57:46,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 06:57:46,689 INFO L748 eck$LassoCheckResult]: Stem: 200#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 201#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#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~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 202#L563 assume !(main_~length1~0#1 < 1); 203#L563-2 assume !(main_~length2~0#1 < 1); 204#L566-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 205#L551-5 call subseq_#t~mem2#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 194#L551-1 [2023-11-29 06:57:46,689 INFO L750 eck$LassoCheckResult]: Loop: 194#L551-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 196#L551-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int#1(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 197#L552 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 190#L552-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 191#L551-5 call subseq_#t~mem2#1 := read~int#0(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 194#L551-1 [2023-11-29 06:57:46,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:46,690 INFO L85 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2023-11-29 06:57:46,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:46,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903833207] [2023-11-29 06:57:46,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:46,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:46,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:57:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:46,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:57:46,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:46,731 INFO L85 PathProgramCache]: Analyzing trace with hash 50829449, now seen corresponding path program 1 times [2023-11-29 06:57:46,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:46,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406480164] [2023-11-29 06:57:46,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:46,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:46,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:57:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:46,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:57:46,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:46,747 INFO L85 PathProgramCache]: Analyzing trace with hash -2122056420, now seen corresponding path program 1 times [2023-11-29 06:57:46,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:57:46,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020069109] [2023-11-29 06:57:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:57:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:57:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:46,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:57:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:57:46,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:57:48,120 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:57:48,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:57:48,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:57:48,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:57:48,120 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:57:48,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:48,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:57:48,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:57:48,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-1.i_Iteration2_Lasso [2023-11-29 06:57:48,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:57:48,121 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:57:48,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:48,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:57:49,771 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:57:49,772 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:57:49,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,773 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 06:57:49,777 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 [2023-11-29 06:57:49,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:57:49,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:49,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:49,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:49,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:57:49,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:57:49,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:49,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 06:57:49,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,797 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 06:57:49,800 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 [2023-11-29 06:57:49,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:49,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:49,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:49,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:49,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:49,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:49,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 06:57:49,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,823 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 06:57:49,826 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 [2023-11-29 06:57:49,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:57:49,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:49,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:49,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:49,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:57:49,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:57:49,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:49,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 06:57:49,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,849 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,856 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 [2023-11-29 06:57:49,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 06:57:49,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:49,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:49,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:49,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:49,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:49,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:49,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 06:57:49,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,879 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 06:57:49,882 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 [2023-11-29 06:57:49,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:49,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:49,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:49,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:49,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:49,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:49,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 06:57:49,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,905 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 06:57:49,908 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 [2023-11-29 06:57:49,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:57:49,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:49,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:49,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:49,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:57:49,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:57:49,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:49,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-29 06:57:49,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 06:57:49,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:57:49,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:49,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:49,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:49,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:49,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:49,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:49,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 06:57:49,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,945 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 06:57:49,947 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 [2023-11-29 06:57:49,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:57:49,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:49,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:49,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:49,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:57:49,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:57:49,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:49,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 06:57:49,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:49,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:49,963 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:49,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 06:57:49,965 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 [2023-11-29 06:57:49,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:49,975 INFO L203 nArgumentSynthesizer]: 3 stem disjuncts [2023-11-29 06:57:49,975 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-29 06:57:49,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,093 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2023-11-29 06:57:50,093 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2023-11-29 06:57:50,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:50,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-29 06:57:50,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,333 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 06:57:50,335 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 [2023-11-29 06:57:50,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:50,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:50,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:50,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:50,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:50,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:50,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 06:57:50,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,356 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 06:57:50,358 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 [2023-11-29 06:57:50,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:50,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:50,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:50,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:50,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:50,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:50,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 06:57:50,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,399 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 06:57:50,401 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 [2023-11-29 06:57:50,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:50,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:50,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:50,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:50,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:50,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:50,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-29 06:57:50,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,433 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 06:57:50,435 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 [2023-11-29 06:57:50,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:50,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:50,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:50,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:50,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:50,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:50,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 06:57:50,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,455 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 06:57:50,458 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 [2023-11-29 06:57:50,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:50,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:50,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:50,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:50,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:50,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:50,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 06:57:50,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,486 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 06:57:50,489 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 [2023-11-29 06:57:50,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:50,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:50,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:50,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:50,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:50,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:50,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 06:57:50,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,511 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 06:57:50,514 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 [2023-11-29 06:57:50,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:50,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:50,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:50,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:50,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:50,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:57:50,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-29 06:57:50,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,536 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 06:57:50,540 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 [2023-11-29 06:57:50,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:57:50,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:57:50,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:57:50,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:57:50,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:57:50,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:57:50,573 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:57:50,592 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-29 06:57:50,592 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-29 06:57:50,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:57:50,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:57:50,593 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:57:50,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 06:57:50,600 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:57:50,610 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 06:57:50,611 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:57:50,611 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2, ULTIMATE.start_subseq_~pt~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 - 1*ULTIMATE.start_subseq_~pt~0#1.offset Supporting invariants [] [2023-11-29 06:57:50,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 06:57:50,684 INFO L156 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2023-11-29 06:57:50,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated [2023-11-29 06:57:50,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:57:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:57:50,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 06:57:50,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:57:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:57:50,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:57:50,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:57:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:57:50,821 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-29 06:57:50,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2023-11-29 06:57:50,878 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 35 states and 51 transitions. Complement of second has 7 states. [2023-11-29 06:57:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 06:57:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2023-11-29 06:57:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-29 06:57:50,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 5 letters. [2023-11-29 06:57:50,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:57:50,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 5 letters. [2023-11-29 06:57:50,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:57:50,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 10 letters. [2023-11-29 06:57:50,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:57:50,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 51 transitions. [2023-11-29 06:57:50,883 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:57:50,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2023-11-29 06:57:50,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 06:57:50,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 06:57:50,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 06:57:50,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:57:50,884 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:57:50,884 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:57:50,884 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:57:50,884 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 06:57:50,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:57:50,884 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:57:50,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 06:57:50,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:57:50 BoogieIcfgContainer [2023-11-29 06:57:50,891 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 06:57:50,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:57:50,892 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:57:50,892 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:57:50,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:57:42" (3/4) ... [2023-11-29 06:57:50,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:57:50,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:57:50,896 INFO L158 Benchmark]: Toolchain (without parser) took 8776.68ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 154.6MB in the beginning and 136.2MB in the end (delta: 18.3MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2023-11-29 06:57:50,897 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory was 99.8MB in the beginning and 99.7MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:57:50,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.71ms. Allocated memory is still 186.6MB. Free memory was 154.4MB in the beginning and 141.9MB in the end (delta: 12.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-29 06:57:50,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.56ms. Allocated memory is still 186.6MB. Free memory was 141.0MB in the beginning and 139.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:57:50,898 INFO L158 Benchmark]: Boogie Preprocessor took 40.14ms. Allocated memory is still 186.6MB. Free memory was 139.7MB in the beginning and 137.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:57:50,898 INFO L158 Benchmark]: RCFGBuilder took 318.63ms. Allocated memory is still 186.6MB. Free memory was 137.7MB in the beginning and 144.1MB in the end (delta: -6.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:57:50,899 INFO L158 Benchmark]: BuchiAutomizer took 7980.22ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 144.1MB in the beginning and 136.2MB in the end (delta: 7.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-29 06:57:50,899 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 224.4MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:57:50,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory was 99.8MB in the beginning and 99.7MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.71ms. Allocated memory is still 186.6MB. Free memory was 154.4MB in the beginning and 141.9MB in the end (delta: 12.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.56ms. Allocated memory is still 186.6MB. Free memory was 141.0MB in the beginning and 139.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.14ms. Allocated memory is still 186.6MB. Free memory was 139.7MB in the beginning and 137.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.63ms. Allocated memory is still 186.6MB. Free memory was 137.7MB in the beginning and 144.1MB in the end (delta: -6.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 7980.22ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 144.1MB in the beginning and 136.2MB in the end (delta: 7.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 224.4MB. Free memory is still 136.2MB. 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: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 26 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital234 mio100 ax107 hnf100 lsp85 ukn97 mio100 lsp26 div151 bol100 ite100 ukn100 eq160 hnf92 smp77 dnf401 smp65 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 364ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 3 DisjunctsLoop: 8 SupportingInvariants: 16 MotzkinApplications: 192 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! [2023-11-29 06:57:50,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 06:57:51,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863637a9-fe96-479b-a92e-43e144b85e6e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE