./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx --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 f55019e0bbd691300fed0d54b866c64772e1d73ec8a359d22e1dcd292c7e1531 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:56,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:56,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 22:23:56,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:56,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:56,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:56,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:56,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:56,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:56,767 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:56,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:56,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:56,769 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:56,769 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:23:56,770 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:23:56,771 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:23:56,771 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:23:56,772 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:23:56,773 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:23:56,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:56,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:23:56,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:56,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:56,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:23:56,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:23:56,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:23:56,778 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:23:56,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:56,779 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:23:56,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:56,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:56,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:56,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:56,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:56,782 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:23:56,783 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_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f55019e0bbd691300fed0d54b866c64772e1d73ec8a359d22e1dcd292c7e1531 [2023-11-21 22:23:57,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:57,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:57,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:57,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:57,096 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:57,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-15/cstrspn_malloc.i [2023-11-21 22:24:00,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:24:00,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:24:00,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/sv-benchmarks/c/termination-15/cstrspn_malloc.i [2023-11-21 22:24:00,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/data/62ff24604/4b36c215ffd349ebaeb59631aff132f6/FLAG73ff5a439 [2023-11-21 22:24:00,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/data/62ff24604/4b36c215ffd349ebaeb59631aff132f6 [2023-11-21 22:24:00,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:24:00,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:24:00,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:00,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:24:00,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:24:00,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33475033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00, skipping insertion in model container [2023-11-21 22:24:00,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:24:01,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:01,248 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:24:01,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:01,371 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:24:01,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01 WrapperNode [2023-11-21 22:24:01,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:01,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:01,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:24:01,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:24:01,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,441 INFO L138 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2023-11-21 22:24:01,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:01,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:24:01,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:24:01,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:24:01,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,469 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,480 INFO L187 HeapSplitter]: Split 7 memory accesses to 2 slices as follows [3, 4] [2023-11-21 22:24:01,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:24:01,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:24:01,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:24:01,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:24:01,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (1/1) ... [2023-11-21 22:24:01,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:01,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:01,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:01,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:24:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:24:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:24:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:24:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:24:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:24:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:24:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:24:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:24:01,742 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:24:01,744 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:24:01,944 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:24:01,953 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:24:01,953 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:24:01,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:01 BoogieIcfgContainer [2023-11-21 22:24:01,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:24:01,956 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:24:01,956 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:24:01,960 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:24:01,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:24:01,962 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:24:00" (1/3) ... [2023-11-21 22:24:01,963 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ce81b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:24:01, skipping insertion in model container [2023-11-21 22:24:01,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:24:01,963 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:01" (2/3) ... [2023-11-21 22:24:01,963 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ce81b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:24:01, skipping insertion in model container [2023-11-21 22:24:01,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:24:01,964 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:01" (3/3) ... [2023-11-21 22:24:01,965 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn_malloc.i [2023-11-21 22:24:02,016 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:24:02,016 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:24:02,016 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:24:02,017 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:24:02,017 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:24:02,017 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:24:02,017 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:24:02,017 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:24:02,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:02,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-21 22:24:02,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:02,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:02,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:24:02,046 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:24:02,046 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:24:02,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:02,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-21 22:24:02,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:02,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:02,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:24:02,051 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:24:02,061 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~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#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, main_~res~0#1;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 3#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;havoc main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;havoc main_#t~malloc216#1.base, main_#t~malloc216#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_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 8#L369-4true [2023-11-21 22:24:02,062 INFO L750 eck$LassoCheckResult]: Loop: 8#L369-4true call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 5#L372-5true assume !true; 4#L372-6true call cstrspn_#t~mem212#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 19#L374true assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 9#L369-3true cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, 1 + cstrspn_#t~post205#1.offset;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 8#L369-4true [2023-11-21 22:24:02,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:02,074 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-21 22:24:02,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:02,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024320866] [2023-11-21 22:24:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:02,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:02,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:02,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:02,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:02,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2023-11-21 22:24:02,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:02,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701543732] [2023-11-21 22:24:02,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:02,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:02,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701543732] [2023-11-21 22:24:02,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701543732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:02,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:02,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:24:02,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767395432] [2023-11-21 22:24:02,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:02,420 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:24:02,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:02,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:24:02,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:24:02,458 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-21 22:24:02,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:24:02,464 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-21 22:24:02,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-21 22:24:02,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-21 22:24:02,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2023-11-21 22:24:02,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-21 22:24:02,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-21 22:24:02,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2023-11-21 22:24:02,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:02,473 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-21 22:24:02,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2023-11-21 22:24:02,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-21 22:24:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:02,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-11-21 22:24:02,503 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-21 22:24:02,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:24:02,509 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-21 22:24:02,512 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:24:02,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2023-11-21 22:24:02,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-21 22:24:02,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:02,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:02,515 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:24:02,515 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:02,516 INFO L748 eck$LassoCheckResult]: Stem: 55#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#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, main_~res~0#1;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 51#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 44#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;havoc main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;havoc main_#t~malloc216#1.base, main_#t~malloc216#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_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 45#L369-4 [2023-11-21 22:24:02,516 INFO L750 eck$LassoCheckResult]: Loop: 45#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 52#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 48#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 49#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 54#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 46#L372-6 call cstrspn_#t~mem212#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 47#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 53#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, 1 + cstrspn_#t~post205#1.offset;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 45#L369-4 [2023-11-21 22:24:02,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2023-11-21 22:24:02,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:02,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260116625] [2023-11-21 22:24:02,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:02,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:02,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:02,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:02,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2023-11-21 22:24:02,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:02,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428194895] [2023-11-21 22:24:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:02,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:02,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:02,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:02,619 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2023-11-21 22:24:02,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:02,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291621343] [2023-11-21 22:24:02,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:02,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:02,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:02,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:03,959 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:24:03,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:24:03,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:24:03,960 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:24:03,960 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:24:03,960 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:03,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:24:03,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:24:03,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_malloc.i_Iteration2_Lasso [2023-11-21 22:24:03,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:24:03,961 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:24:03,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:03,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:03,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:04,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:05,622 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:24:05,630 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:24:05,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:05,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:05,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:05,665 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 [2023-11-21 22:24:05,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:24:05,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:05,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:05,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:05,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:05,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:05,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:05,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:05,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:05,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:05,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:05,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:05,760 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 [2023-11-21 22:24:05,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:05,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:05,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:05,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:05,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:05,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:05,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:05,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:24:05,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:05,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:05,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:05,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:05,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:05,825 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 [2023-11-21 22:24:05,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:05,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:05,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:05,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:05,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:05,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:05,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:24:05,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:05,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:05,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:05,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:05,893 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:05,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:24:05,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:24:05,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:05,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:05,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:05,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:05,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:05,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:05,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:05,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:05,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:05,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:05,967 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:05,973 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 [2023-11-21 22:24:05,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:24:05,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:05,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:05,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:05,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:05,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:05,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:06,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,033 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,042 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 [2023-11-21 22:24:06,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:24:06,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,094 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:24:06,101 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 [2023-11-21 22:24:06,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,163 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,174 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 [2023-11-21 22:24:06,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:24:06,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,223 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,227 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 [2023-11-21 22:24:06,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:24:06,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,263 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:24:06,269 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 [2023-11-21 22:24:06,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,311 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:24:06,313 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 [2023-11-21 22:24:06,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,341 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:24:06,343 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 [2023-11-21 22:24:06,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:06,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:06,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,402 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:24:06,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:24:06,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,472 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:24:06,491 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 [2023-11-21 22:24:06,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:06,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:06,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,535 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:24:06,538 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 [2023-11-21 22:24:06,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,565 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:24:06,569 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 [2023-11-21 22:24:06,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,608 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:24:06,614 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 [2023-11-21 22:24:06,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,665 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:24:06,667 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 [2023-11-21 22:24:06,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,706 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:24:06,709 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 [2023-11-21 22:24:06,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,735 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:24:06,737 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 [2023-11-21 22:24:06,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,764 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:24:06,767 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 [2023-11-21 22:24:06,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-21 22:24:06,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,792 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:24:06,794 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 [2023-11-21 22:24:06,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:06,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,836 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:24:06,839 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 [2023-11-21 22:24:06,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,849 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-21 22:24:06,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,865 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-21 22:24:06,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:06,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:06,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,917 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,925 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 [2023-11-21 22:24:06,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:24:06,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:06,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:06,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:06,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-21 22:24:06,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:06,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:06,983 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:06,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:24:06,985 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 [2023-11-21 22:24:06,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:06,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:06,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:06,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:06,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:06,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:06,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:07,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:07,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:07,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:07,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:07,030 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:07,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 22:24:07,035 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 [2023-11-21 22:24:07,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:07,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:07,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:07,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:07,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:07,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:07,078 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:24:07,104 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-21 22:24:07,105 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-21 22:24:07,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:07,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:07,138 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:07,141 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:24:07,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 22:24:07,166 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:24:07,166 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:24:07,167 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_cstrspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_cstrspn_~sc1~0#1.offset Supporting invariants [] [2023-11-21 22:24:07,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:07,215 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-21 22:24:07,225 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated [2023-11-21 22:24:07,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:07,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:07,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:07,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:07,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:07,437 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:24:07,438 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:07,543 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2023-11-21 22:24:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:24:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2023-11-21 22:24:07,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-21 22:24:07,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:07,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2023-11-21 22:24:07,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:07,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2023-11-21 22:24:07,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:07,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2023-11-21 22:24:07,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:24:07,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2023-11-21 22:24:07,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:24:07,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 22:24:07,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2023-11-21 22:24:07,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:24:07,560 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-21 22:24:07,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2023-11-21 22:24:07,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-21 22:24:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2023-11-21 22:24:07,564 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-21 22:24:07,564 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-21 22:24:07,568 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:24:07,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2023-11-21 22:24:07,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:24:07,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:07,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:07,576 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:07,576 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:24:07,576 INFO L748 eck$LassoCheckResult]: Stem: 181#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 173#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#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, main_~res~0#1;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 174#L382 assume !(main_~length1~0#1 < 1); 182#L382-2 assume !(main_~length2~0#1 < 1); 165#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;havoc main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;havoc main_#t~malloc216#1.base, main_#t~malloc216#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_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 166#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 176#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 169#L372-5 [2023-11-21 22:24:07,576 INFO L750 eck$LassoCheckResult]: Loop: 169#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 170#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 179#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, 1 + cstrspn_#t~post211#1.offset;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 169#L372-5 [2023-11-21 22:24:07,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2023-11-21 22:24:07,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:07,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669660117] [2023-11-21 22:24:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:07,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:07,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:07,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:07,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:07,684 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2023-11-21 22:24:07,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:07,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256968163] [2023-11-21 22:24:07,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:07,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:07,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:07,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:07,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:07,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2023-11-21 22:24:07,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:07,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961740772] [2023-11-21 22:24:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:07,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:07,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:07,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:08,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:08,758 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:24:08,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:24:08,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:24:08,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:24:08,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:24:08,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:08,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:24:08,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:24:08,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_malloc.i_Iteration3_Lasso [2023-11-21 22:24:08,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:24:08,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:24:08,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:08,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:08,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:08,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:08,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:08,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:08,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:08,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:08,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:09,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:10,398 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:24:10,399 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:24:10,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,404 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:24:10,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:10,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:10,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:10,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 22:24:10,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:10,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:10,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,462 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,465 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 [2023-11-21 22:24:10,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 22:24:10,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:10,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:10,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:10,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:10,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:10,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,517 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,521 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 [2023-11-21 22:24:10,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:10,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:10,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 22:24:10,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:10,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:10,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,576 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,579 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 [2023-11-21 22:24:10,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 22:24:10,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:10,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:10,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:10,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:10,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,632 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,637 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 [2023-11-21 22:24:10,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:10,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:10,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:10,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 22:24:10,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:10,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:10,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,684 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,686 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 [2023-11-21 22:24:10,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:10,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:10,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:10,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 22:24:10,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:10,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-21 22:24:10,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,726 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,728 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 [2023-11-21 22:24:10,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 22:24:10,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:10,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:10,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:10,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:10,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,778 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,780 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 [2023-11-21 22:24:10,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 22:24:10,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:10,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:10,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:10,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:10,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-21 22:24:10,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,822 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 22:24:10,824 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 [2023-11-21 22:24:10,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:10,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:10,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:10,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:10,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:10,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:10,868 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:24:10,893 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-21 22:24:10,894 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-21 22:24:10,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:10,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:10,897 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:10,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 22:24:10,902 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:24:10,937 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:24:10,937 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:24:10,937 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2) = -1*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2 Supporting invariants [] [2023-11-21 22:24:10,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:10,988 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2023-11-21 22:24:10,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated [2023-11-21 22:24:11,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:11,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:11,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:11,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:11,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:11,120 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-21 22:24:11,121 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 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) [2023-11-21 22:24:11,196 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. 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 43 states and 57 transitions. Complement of second has 6 states. [2023-11-21 22:24:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:24:11,198 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) [2023-11-21 22:24:11,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-21 22:24:11,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-21 22:24:11,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:11,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-21 22:24:11,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:11,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-21 22:24:11,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:11,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2023-11-21 22:24:11,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:24:11,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2023-11-21 22:24:11,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-21 22:24:11,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:24:11,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2023-11-21 22:24:11,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:24:11,211 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-11-21 22:24:11,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2023-11-21 22:24:11,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2023-11-21 22:24:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2023-11-21 22:24:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2023-11-21 22:24:11,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-21 22:24:11,217 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-21 22:24:11,217 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:24:11,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2023-11-21 22:24:11,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:24:11,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:11,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:11,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:11,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:24:11,220 INFO L748 eck$LassoCheckResult]: Stem: 334#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 324#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#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, main_~res~0#1;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 325#L382 assume !(main_~length1~0#1 < 1); 335#L382-2 assume !(main_~length2~0#1 < 1); 316#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;havoc main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;havoc main_#t~malloc216#1.base, main_#t~malloc216#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_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 317#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 326#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 336#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 332#L372-1 assume !cstrspn_#t~short210#1; 333#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 318#L372-6 call cstrspn_#t~mem212#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 319#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 330#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, 1 + cstrspn_#t~post205#1.offset;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 327#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 328#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 320#L372-5 [2023-11-21 22:24:11,220 INFO L750 eck$LassoCheckResult]: Loop: 320#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 321#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 331#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, 1 + cstrspn_#t~post211#1.offset;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 320#L372-5 [2023-11-21 22:24:11,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:11,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2023-11-21 22:24:11,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:11,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351602504] [2023-11-21 22:24:11,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:11,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:11,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:11,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351602504] [2023-11-21 22:24:11,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351602504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:11,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:11,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:24:11,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301945134] [2023-11-21 22:24:11,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:11,438 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:24:11,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:11,439 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2023-11-21 22:24:11,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:11,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972271575] [2023-11-21 22:24:11,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:11,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:11,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:11,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:11,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:11,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:24:11,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:24:11,587 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:24:11,677 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2023-11-21 22:24:11,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2023-11-21 22:24:11,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:24:11,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2023-11-21 22:24:11,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-21 22:24:11,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:24:11,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2023-11-21 22:24:11,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:24:11,683 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2023-11-21 22:24:11,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2023-11-21 22:24:11,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2023-11-21 22:24:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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) [2023-11-21 22:24:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2023-11-21 22:24:11,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2023-11-21 22:24:11,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:24:11,724 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2023-11-21 22:24:11,724 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 22:24:11,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2023-11-21 22:24:11,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:24:11,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:24:11,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:24:11,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:24:11,726 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:24:11,726 INFO L748 eck$LassoCheckResult]: Stem: 406#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#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, main_~res~0#1;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 397#L382 assume !(main_~length1~0#1 < 1); 407#L382-2 assume !(main_~length2~0#1 < 1); 388#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;havoc main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;havoc main_#t~malloc216#1.base, main_#t~malloc216#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_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 389#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 398#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 411#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 410#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 409#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 390#L372-6 call cstrspn_#t~mem212#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 391#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 402#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, 1 + cstrspn_#t~post205#1.offset;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 399#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 400#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 392#L372-5 [2023-11-21 22:24:11,726 INFO L750 eck$LassoCheckResult]: Loop: 392#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 393#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 403#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, 1 + cstrspn_#t~post211#1.offset;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 392#L372-5 [2023-11-21 22:24:11,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:11,727 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2023-11-21 22:24:11,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:11,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721961362] [2023-11-21 22:24:11,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:11,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:11,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:11,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:11,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:11,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:11,805 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2023-11-21 22:24:11,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:11,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032044938] [2023-11-21 22:24:11,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:11,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:11,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:11,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:11,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:11,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2023-11-21 22:24:11,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:11,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123854125] [2023-11-21 22:24:11,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:11,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:11,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:24:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:24:11,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:24:13,293 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:24:13,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:24:13,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:24:13,294 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:24:13,294 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:24:13,294 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:13,294 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:24:13,294 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:24:13,294 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_malloc.i_Iteration5_Lasso [2023-11-21 22:24:13,294 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:24:13,294 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:24:13,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:13,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:14,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:24:15,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:24:15,623 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:24:15,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,625 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 22:24:15,627 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 [2023-11-21 22:24:15,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:15,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:15,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:15,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:15,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:15,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:15,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:15,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:15,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:15,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,662 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 22:24:15,665 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 [2023-11-21 22:24:15,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:15,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:15,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:15,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:15,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:15,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:15,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:15,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:15,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-21 22:24:15,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,694 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 22:24:15,698 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 [2023-11-21 22:24:15,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:15,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:15,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:15,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:15,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:15,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:15,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:15,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:15,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-21 22:24:15,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,726 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-21 22:24:15,728 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 [2023-11-21 22:24:15,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:15,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:15,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:15,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:15,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:15,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:15,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:15,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:15,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-21 22:24:15,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,756 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-21 22:24:15,758 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 [2023-11-21 22:24:15,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:15,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:15,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:15,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:15,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:15,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:15,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:15,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:15,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,831 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,837 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 [2023-11-21 22:24:15,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-21 22:24:15,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:15,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:15,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:15,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:15,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:15,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:15,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:15,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:15,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:15,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,889 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,893 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 [2023-11-21 22:24:15,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-21 22:24:15,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:15,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:15,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:15,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:15,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:15,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:15,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:15,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:15,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:15,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,937 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,941 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 [2023-11-21 22:24:15,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:15,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:15,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:15,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:15,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:15,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:15,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:15,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-21 22:24:15,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:15,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:15,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:15,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:15,984 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:15,990 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 [2023-11-21 22:24:16,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:16,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:16,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:16,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-21 22:24:16,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,045 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,048 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 [2023-11-21 22:24:16,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:16,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:16,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:16,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-21 22:24:16,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,093 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:24:16,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:16,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-21 22:24:16,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:16,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:16,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,145 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,147 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 [2023-11-21 22:24:16,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:16,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:16,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-21 22:24:16,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,200 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,202 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 [2023-11-21 22:24:16,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:16,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:16,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-21 22:24:16,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,252 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-21 22:24:16,254 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 [2023-11-21 22:24:16,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:16,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:16,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,312 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,314 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 [2023-11-21 22:24:16,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-21 22:24:16,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:16,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:16,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-21 22:24:16,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,354 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-21 22:24:16,355 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 [2023-11-21 22:24:16,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:16,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:16,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:16,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,398 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-21 22:24:16,399 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 [2023-11-21 22:24:16,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:24:16,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:24:16,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:24:16,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,451 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-21 22:24:16,453 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 [2023-11-21 22:24:16,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,463 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-21 22:24:16,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,478 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-21 22:24:16,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:16,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:24:16,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:16,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,530 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,533 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 [2023-11-21 22:24:16,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:24:16,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:24:16,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:24:16,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:24:16,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-21 22:24:16,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:24:16,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:24:16,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:24:16,593 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-21 22:24:16,593 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-21 22:24:16,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:24:16,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:16,594 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:16,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-21 22:24:16,596 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:24:16,607 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:24:16,607 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:24:16,607 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3) = -1*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3 Supporting invariants [] [2023-11-21 22:24:16,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-21 22:24:16,675 INFO L156 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2023-11-21 22:24:16,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated [2023-11-21 22:24:16,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:16,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:16,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:16,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:16,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:16,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:16,864 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-21 22:24:16,864 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:16,935 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 6 states. [2023-11-21 22:24:16,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:24:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-21 22:24:16,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-21 22:24:16,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:16,940 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:24:16,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:16,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:16,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:17,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:17,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:17,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-21 22:24:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:17,126 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-21 22:24:17,127 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:17,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 6 states. [2023-11-21 22:24:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:24:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-21 22:24:17,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-21 22:24:17,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:17,196 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:24:17,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:17,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:17,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:17,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:24:17,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:24:17,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:24:17,349 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-21 22:24:17,349 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:17,409 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 53 transitions. Complement of second has 5 states. [2023-11-21 22:24:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:24:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:24:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2023-11-21 22:24:17,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-21 22:24:17,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:17,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2023-11-21 22:24:17,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:17,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2023-11-21 22:24:17,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:24:17,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2023-11-21 22:24:17,419 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:24:17,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2023-11-21 22:24:17,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:24:17,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:24:17,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:24:17,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:24:17,419 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:24:17,420 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:24:17,420 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:24:17,420 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 22:24:17,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:24:17,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:24:17,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:24:17,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:24:17 BoogieIcfgContainer [2023-11-21 22:24:17,426 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:24:17,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:24:17,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:24:17,427 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:24:17,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:01" (3/4) ... [2023-11-21 22:24:17,430 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:24:17,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:24:17,432 INFO L158 Benchmark]: Toolchain (without parser) took 16599.59ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 111.8MB in the beginning and 185.4MB in the end (delta: -73.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-21 22:24:17,432 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:24:17,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.74ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 93.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:24:17,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.04ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:17,433 INFO L158 Benchmark]: Boogie Preprocessor took 53.29ms. Allocated memory is still 155.2MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:17,434 INFO L158 Benchmark]: RCFGBuilder took 459.05ms. Allocated memory is still 155.2MB. Free memory was 89.3MB in the beginning and 118.4MB in the end (delta: -29.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-21 22:24:17,434 INFO L158 Benchmark]: BuchiAutomizer took 15470.31ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 118.4MB in the beginning and 186.5MB in the end (delta: -68.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-21 22:24:17,435 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 245.4MB. Free memory was 186.5MB in the beginning and 185.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:17,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.74ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 93.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.04ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.29ms. Allocated memory is still 155.2MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.05ms. Allocated memory is still 155.2MB. Free memory was 89.3MB in the beginning and 118.4MB in the end (delta: -29.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 15470.31ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 118.4MB in the beginning and 186.5MB in the end (delta: -68.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 245.4MB. Free memory was 186.5MB in the beginning and 185.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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[~nondetString2~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 105 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital254 mio100 ax100 hnf100 lsp102 ukn70 mio100 lsp30 div164 bol100 ite100 ukn100 eq156 hnf94 smp72 dnf742 smp36 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 8 VariablesLoop: 5 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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! [2023-11-21 22:24:17,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cc3d1d-ff3f-42e6-8c85-1672b703a11e/bin/uautomizer-verify-bycVGegfSx/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