./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:04:08,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:04:08,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 03:04:08,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:04:08,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:04:08,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:04:08,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:04:08,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:04:08,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:04:08,847 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:04:08,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:04:08,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:04:08,849 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:04:08,849 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 03:04:08,850 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 03:04:08,850 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 03:04:08,851 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 03:04:08,851 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 03:04:08,852 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 03:04:08,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:04:08,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 03:04:08,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:04:08,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:04:08,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 03:04:08,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 03:04:08,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 03:04:08,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:04:08,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:04:08,857 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 03:04:08,857 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:04:08,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:04:08,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:04:08,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:04:08,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:04:08,859 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 03:04:08,859 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_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2023-11-29 03:04:09,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:04:09,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:04:09,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:04:09,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:04:09,094 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:04:09,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2023-11-29 03:04:11,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:04:12,047 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:04:12,048 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2023-11-29 03:04:12,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/data/9cbea928f/df677fc7898c4cb6976820e766c003c3/FLAG2774124fa [2023-11-29 03:04:12,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/data/9cbea928f/df677fc7898c4cb6976820e766c003c3 [2023-11-29 03:04:12,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:04:12,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:04:12,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:04:12,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:04:12,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:04:12,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b34fd49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12, skipping insertion in model container [2023-11-29 03:04:12,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:04:12,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:04:12,229 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:04:12,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:04:12,256 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:04:12,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12 WrapperNode [2023-11-29 03:04:12,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:04:12,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:04:12,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:04:12,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:04:12,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,289 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-11-29 03:04:12,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:04:12,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:04:12,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:04:12,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:04:12,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,315 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2023-11-29 03:04:12,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:04:12,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:04:12,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:04:12,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:04:12,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (1/1) ... [2023-11-29 03:04:12,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:12,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:12,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:12,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 03:04:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:04:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:04:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2023-11-29 03:04:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2023-11-29 03:04:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:04:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:04:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:04:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:04:12,445 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:04:12,447 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:04:12,579 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:04:12,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:04:12,586 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 03:04:12,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:04:12 BoogieIcfgContainer [2023-11-29 03:04:12,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:04:12,589 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 03:04:12,589 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 03:04:12,592 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 03:04:12,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:04:12,592 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 03:04:12" (1/3) ... [2023-11-29 03:04:12,593 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16520eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:04:12, skipping insertion in model container [2023-11-29 03:04:12,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:04:12,593 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:04:12" (2/3) ... [2023-11-29 03:04:12,594 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16520eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:04:12, skipping insertion in model container [2023-11-29 03:04:12,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:04:12,594 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:04:12" (3/3) ... [2023-11-29 03:04:12,595 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertionSort_recursive.i [2023-11-29 03:04:12,643 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 03:04:12,643 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 03:04:12,643 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 03:04:12,644 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 03:04:12,644 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 03:04:12,644 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 03:04:12,644 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 03:04:12,644 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 03:04:12,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:04:12,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-29 03:04:12,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:12,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:12,675 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:04:12,675 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:04:12,675 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 03:04:12,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:04:12,678 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-29 03:04:12,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:12,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:12,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:04:12,679 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:04:12,687 INFO L748 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 17#L28true assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 20#L33-3true [2023-11-29 03:04:12,687 INFO L750 eck$LassoCheckResult]: Loop: 20#L33-3true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 7#L33-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20#L33-3true [2023-11-29 03:04:12,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:12,691 INFO L85 PathProgramCache]: Analyzing trace with hash 60643, now seen corresponding path program 1 times [2023-11-29 03:04:12,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:12,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538305199] [2023-11-29 03:04:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:12,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:12,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:12,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:12,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:12,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2023-11-29 03:04:12,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:12,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849361789] [2023-11-29 03:04:12,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:12,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:12,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:12,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:12,827 INFO L85 PathProgramCache]: Analyzing trace with hash 58279397, now seen corresponding path program 1 times [2023-11-29 03:04:12,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:12,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123002056] [2023-11-29 03:04:12,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:12,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:12,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:12,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:13,102 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:04:13,103 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:04:13,103 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:04:13,103 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:04:13,103 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:04:13,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:13,104 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:04:13,104 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:04:13,104 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration1_Lasso [2023-11-29 03:04:13,104 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:04:13,104 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:04:13,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:13,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:13,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:13,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:13,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:13,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:13,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:13,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:04:13,509 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:04:13,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:13,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:13,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:13,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 03:04:13,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:13,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:13,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:13,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:13,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:13,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:13,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:13,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:13,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:13,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:13,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:13,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:13,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 03:04:13,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:13,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:13,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:13,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:13,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:13,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:13,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:13,585 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:04:13,618 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-29 03:04:13,618 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-29 03:04:13,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:13,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:13,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:13,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 03:04:13,664 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:04:13,676 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-29 03:04:13,676 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:04:13,677 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1.offset >= 0] [2023-11-29 03:04:13,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 03:04:13,688 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-29 03:04:13,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~a~0!base] could not be translated [2023-11-29 03:04:13,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:13,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:04:13,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:13,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:04:13,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:13,819 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 [2023-11-29 03:04:13,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:13,893 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 59 transitions. Complement of second has 9 states. [2023-11-29 03:04:13,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 03:04:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:13,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2023-11-29 03:04:13,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-29 03:04:13,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:13,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-29 03:04:13,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:13,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-29 03:04:13,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:13,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2023-11-29 03:04:13,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:13,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 16 states and 21 transitions. [2023-11-29 03:04:13,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-29 03:04:13,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-29 03:04:13,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2023-11-29 03:04:13,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:04:13,917 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-29 03:04:13,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2023-11-29 03:04:13,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-29 03:04:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2023-11-29 03:04:13,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-29 03:04:13,944 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-29 03:04:13,944 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 03:04:13,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2023-11-29 03:04:13,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:13,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:13,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:13,946 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 03:04:13,946 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 03:04:13,946 INFO L748 eck$LassoCheckResult]: Stem: 138#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 133#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 137#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 123#L33-4 havoc main_~i~0#1; 124#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 125#$Ultimate##0 [2023-11-29 03:04:13,946 INFO L750 eck$LassoCheckResult]: Loop: 125#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 127#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 129#L15-6 assume !true; 134#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 126#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 125#$Ultimate##0 [2023-11-29 03:04:13,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:13,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1806659569, now seen corresponding path program 1 times [2023-11-29 03:04:13,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:13,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660726115] [2023-11-29 03:04:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:13,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:14,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:14,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660726115] [2023-11-29 03:04:14,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660726115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:14,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:14,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:04:14,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936320951] [2023-11-29 03:04:14,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:14,027 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 03:04:14,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:14,027 INFO L85 PathProgramCache]: Analyzing trace with hash 28740468, now seen corresponding path program 1 times [2023-11-29 03:04:14,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:14,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651659702] [2023-11-29 03:04:14,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:14,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:14,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651659702] [2023-11-29 03:04:14,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651659702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:14,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:14,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:04:14,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101106785] [2023-11-29 03:04:14,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:14,046 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:04:14,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:14,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:04:14,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:04:14,050 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:14,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:14,055 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2023-11-29 03:04:14,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2023-11-29 03:04:14,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:14,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2023-11-29 03:04:14,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-29 03:04:14,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-29 03:04:14,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2023-11-29 03:04:14,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:04:14,058 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-29 03:04:14,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2023-11-29 03:04:14,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-29 03:04:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-29 03:04:14,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-29 03:04:14,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:04:14,062 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-29 03:04:14,062 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 03:04:14,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-29 03:04:14,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:14,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:14,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:14,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 03:04:14,063 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:14,064 INFO L748 eck$LassoCheckResult]: Stem: 176#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 170#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 171#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 175#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 161#L33-4 havoc main_~i~0#1; 162#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 163#$Ultimate##0 [2023-11-29 03:04:14,064 INFO L750 eck$LassoCheckResult]: Loop: 163#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 165#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 167#L15-6 #t~short4 := ~j~0 > 0; 172#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 173#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 174#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 164#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 163#$Ultimate##0 [2023-11-29 03:04:14,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1806659569, now seen corresponding path program 2 times [2023-11-29 03:04:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:14,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473087940] [2023-11-29 03:04:14,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:14,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:14,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:14,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473087940] [2023-11-29 03:04:14,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473087940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:14,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:14,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:04:14,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294310769] [2023-11-29 03:04:14,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:14,111 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 03:04:14,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476523, now seen corresponding path program 1 times [2023-11-29 03:04:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:14,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080755276] [2023-11-29 03:04:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:14,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:14,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:14,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:14,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 03:04:14,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:14,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:04:14,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:04:14,599 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:14,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:14,618 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2023-11-29 03:04:14,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2023-11-29 03:04:14,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:14,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 20 transitions. [2023-11-29 03:04:14,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-29 03:04:14,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-29 03:04:14,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2023-11-29 03:04:14,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:04:14,621 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-29 03:04:14,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2023-11-29 03:04:14,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2023-11-29 03:04:14,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:14,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-29 03:04:14,624 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-29 03:04:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:04:14,625 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-29 03:04:14,625 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 03:04:14,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2023-11-29 03:04:14,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:14,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:14,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:14,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:14,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:14,627 INFO L748 eck$LassoCheckResult]: Stem: 215#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 209#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 210#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 214#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 207#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 208#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 204#L33-4 havoc main_~i~0#1; 202#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 200#$Ultimate##0 [2023-11-29 03:04:14,627 INFO L750 eck$LassoCheckResult]: Loop: 200#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 203#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 206#L15-6 #t~short4 := ~j~0 > 0; 211#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 212#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 213#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 201#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 200#$Ultimate##0 [2023-11-29 03:04:14,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:14,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1034772399, now seen corresponding path program 1 times [2023-11-29 03:04:14,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:14,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374238246] [2023-11-29 03:04:14,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:14,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:14,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:14,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:14,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:14,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476523, now seen corresponding path program 2 times [2023-11-29 03:04:14,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:14,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924946745] [2023-11-29 03:04:14,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:14,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:14,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:14,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:14,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:14,680 INFO L85 PathProgramCache]: Analyzing trace with hash 231564989, now seen corresponding path program 1 times [2023-11-29 03:04:14,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:14,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674135526] [2023-11-29 03:04:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:14,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:04:14,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:14,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674135526] [2023-11-29 03:04:14,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674135526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:04:14,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:04:14,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:04:14,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32662501] [2023-11-29 03:04:14,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:04:15,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:15,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:04:15,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:04:15,208 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:15,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:15,281 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2023-11-29 03:04:15,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2023-11-29 03:04:15,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:15,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 26 transitions. [2023-11-29 03:04:15,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-29 03:04:15,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-29 03:04:15,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2023-11-29 03:04:15,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:04:15,284 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-29 03:04:15,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2023-11-29 03:04:15,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2023-11-29 03:04:15,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2023-11-29 03:04:15,287 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 24 transitions. [2023-11-29 03:04:15,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:04:15,288 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 24 transitions. [2023-11-29 03:04:15,288 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 03:04:15,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 24 transitions. [2023-11-29 03:04:15,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:15,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:15,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:15,290 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:15,290 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:15,290 INFO L748 eck$LassoCheckResult]: Stem: 272#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 265#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 266#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 271#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 263#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 264#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 256#L33-4 havoc main_~i~0#1; 257#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 258#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 259#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 273#L15-6 #t~short4 := ~j~0 > 0; 267#L15-1 assume !#t~short4; 268#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 269#L15-7 [2023-11-29 03:04:15,290 INFO L750 eck$LassoCheckResult]: Loop: 269#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 261#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 270#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 276#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 262#L15-6 #t~short4 := ~j~0 > 0; 275#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 274#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 269#L15-7 [2023-11-29 03:04:15,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:15,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1921544551, now seen corresponding path program 1 times [2023-11-29 03:04:15,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:15,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608428628] [2023-11-29 03:04:15,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:15,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:15,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:15,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:15,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:15,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1066317913, now seen corresponding path program 3 times [2023-11-29 03:04:15,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:15,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447364715] [2023-11-29 03:04:15,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:15,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:15,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:15,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:15,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:15,338 INFO L85 PathProgramCache]: Analyzing trace with hash 61906447, now seen corresponding path program 1 times [2023-11-29 03:04:15,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:15,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907637271] [2023-11-29 03:04:15,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:15,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:15,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:15,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907637271] [2023-11-29 03:04:15,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907637271] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:04:15,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385991150] [2023-11-29 03:04:15,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:15,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:15,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:15,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:04:15,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:04:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:15,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 03:04:15,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:15,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:04:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:15,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385991150] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:04:15,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:04:15,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2023-11-29 03:04:15,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314709851] [2023-11-29 03:04:15,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:04:16,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:16,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 03:04:16,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:04:16,421 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. cyclomatic complexity: 5 Second operand has 18 states, 16 states have (on average 2.1875) internal successors, (35), 13 states have internal predecessors, (35), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:16,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:16,561 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2023-11-29 03:04:16,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2023-11-29 03:04:16,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:16,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 24 states and 27 transitions. [2023-11-29 03:04:16,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-29 03:04:16,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-29 03:04:16,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2023-11-29 03:04:16,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:04:16,564 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2023-11-29 03:04:16,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2023-11-29 03:04:16,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-11-29 03:04:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-11-29 03:04:16,566 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-29 03:04:16,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:04:16,567 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-29 03:04:16,568 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 03:04:16,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2023-11-29 03:04:16,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 03:04:16,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:16,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:16,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:16,569 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:16,569 INFO L748 eck$LassoCheckResult]: Stem: 474#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 466#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 467#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 473#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 475#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 476#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 464#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 465#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 460#L33-4 havoc main_~i~0#1; 461#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 470#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 479#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 477#L15-6 #t~short4 := ~j~0 > 0; 478#L15-1 assume !#t~short4; 472#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 471#L15-7 [2023-11-29 03:04:16,570 INFO L750 eck$LassoCheckResult]: Loop: 471#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 458#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 457#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 459#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 463#L15-6 #t~short4 := ~j~0 > 0; 468#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 469#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 471#L15-7 [2023-11-29 03:04:16,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:16,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1188957467, now seen corresponding path program 2 times [2023-11-29 03:04:16,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:16,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754036256] [2023-11-29 03:04:16,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:16,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:16,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:16,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:16,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:16,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1066317913, now seen corresponding path program 4 times [2023-11-29 03:04:16,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:16,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325033418] [2023-11-29 03:04:16,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:16,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:16,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:16,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:16,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:16,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1611060915, now seen corresponding path program 2 times [2023-11-29 03:04:16,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:16,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301017369] [2023-11-29 03:04:16,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:16,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:16,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:17,857 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:04:17,858 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:04:17,858 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:04:17,858 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:04:17,858 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:04:17,858 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:17,858 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:04:17,858 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:04:17,858 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration6_Lasso [2023-11-29 03:04:17,858 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:04:17,858 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:04:17,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:17,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:18,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:18,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:18,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:18,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:18,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:18,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:18,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:19,193 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:04:19,194 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:04:19,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 03:04:19,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:19,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:19,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:19,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 03:04:19,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,214 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 03:04:19,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:19,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:19,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:19,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 03:04:19,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 03:04:19,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:19,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:19,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:19,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 03:04:19,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,250 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 03:04:19,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:19,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:19,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:19,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 03:04:19,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,270 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 03:04:19,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:19,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:19,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:19,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 03:04:19,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,288 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 03:04:19,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:19,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:19,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:19,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 03:04:19,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,307 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 03:04:19,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:19,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:19,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:19,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 03:04:19,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,324 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 03:04:19,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:19,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:19,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 03:04:19,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,388 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 03:04:19,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:19,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:19,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 03:04:19,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 03:04:19,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:19,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:19,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:19,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 03:04:19,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,454 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 03:04:19,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:19,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:19,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:19,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:19,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:19,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:19,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:19,512 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:04:19,556 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-29 03:04:19,556 INFO L444 ModelExtractionUtils]: 2 out of 31 variables were initially zero. Simplification set additionally 26 variables to zero. [2023-11-29 03:04:19,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:19,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:19,557 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:19,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 03:04:19,561 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:04:19,572 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 03:04:19,572 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:04:19,572 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~i, insertionSort_~size) = -1*insertionSort_~i + 1*insertionSort_~size Supporting invariants [] [2023-11-29 03:04:19,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 03:04:19,590 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-29 03:04:19,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:19,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:04:19,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:19,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:04:19,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:19,719 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-29 03:04:19,719 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:19,777 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 5. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 43 transitions. Complement of second has 14 states. [2023-11-29 03:04:19,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-29 03:04:19,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2023-11-29 03:04:19,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 15 letters. Loop has 7 letters. [2023-11-29 03:04:19,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:19,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 22 letters. Loop has 7 letters. [2023-11-29 03:04:19,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:19,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 15 letters. Loop has 14 letters. [2023-11-29 03:04:19,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:19,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2023-11-29 03:04:19,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 03:04:19,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 37 transitions. [2023-11-29 03:04:19,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-29 03:04:19,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-29 03:04:19,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 37 transitions. [2023-11-29 03:04:19,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:04:19,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 37 transitions. [2023-11-29 03:04:19,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 37 transitions. [2023-11-29 03:04:19,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2023-11-29 03:04:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2023-11-29 03:04:19,788 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 34 transitions. [2023-11-29 03:04:19,788 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2023-11-29 03:04:19,788 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 03:04:19,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2023-11-29 03:04:19,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 03:04:19,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:19,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:19,790 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:19,790 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 03:04:19,790 INFO L748 eck$LassoCheckResult]: Stem: 661#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 652#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 653#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 660#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 650#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 651#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 662#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 666#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 639#L33-4 havoc main_~i~0#1; 640#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 641#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 642#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 663#L15-6 #t~short4 := ~j~0 > 0; 654#L15-1 assume !#t~short4; 655#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 658#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 644#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 643#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 645#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 664#L15-6 #t~short4 := ~j~0 > 0; 665#L15-1 [2023-11-29 03:04:19,790 INFO L750 eck$LassoCheckResult]: Loop: 665#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 667#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 646#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 647#L15-6 #t~short4 := ~j~0 > 0; 665#L15-1 [2023-11-29 03:04:19,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:19,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1302233657, now seen corresponding path program 1 times [2023-11-29 03:04:19,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:19,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470882407] [2023-11-29 03:04:19,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:19,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:19,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:19,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:19,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:19,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1239356, now seen corresponding path program 1 times [2023-11-29 03:04:19,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:19,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215025370] [2023-11-29 03:04:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:19,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:19,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:19,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:19,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:19,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2041310206, now seen corresponding path program 1 times [2023-11-29 03:04:19,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:19,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984683579] [2023-11-29 03:04:19,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:19,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:19,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:19,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:20,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 03:04:21,297 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:04:21,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:04:21,297 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:04:21,297 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:04:21,297 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:04:21,297 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:21,297 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:04:21,297 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:04:21,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration7_Lasso [2023-11-29 03:04:21,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:04:21,297 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:04:21,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:21,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:22,296 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:04:22,297 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:04:22,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:22,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:22,298 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:22,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 03:04:22,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:22,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:22,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:22,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:22,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:22,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:22,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:22,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:22,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:22,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 03:04:22,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:22,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:22,319 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:22,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 03:04:22,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:22,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:22,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:22,332 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 03:04:22,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:22,352 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-29 03:04:22,352 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 03:04:22,423 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:04:22,533 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2023-11-29 03:04:22,533 INFO L444 ModelExtractionUtils]: 29 out of 56 variables were initially zero. Simplification set additionally 22 variables to zero. [2023-11-29 03:04:22,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:22,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:22,534 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:22,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 03:04:22,536 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:04:22,548 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2023-11-29 03:04:22,548 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:04:22,549 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~i, insertionSort_~j~0, insertionSort_#in~array.offset) = -4*insertionSort_~i + 4*insertionSort_~j~0 + 1*insertionSort_#in~array.offset + 2 Supporting invariants [] [2023-11-29 03:04:22,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 03:04:22,573 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-29 03:04:22,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~array!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 03:04:22,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:22,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 03:04:22,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:22,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 03:04:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:22,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:04:22,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:22,817 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2023-11-29 03:04:22,817 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:22,857 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 34 transitions. Complement of second has 5 states. [2023-11-29 03:04:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-29 03:04:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-29 03:04:22,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-29 03:04:22,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:22,859 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:04:22,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:22,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 03:04:22,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:23,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:04:23,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:23,102 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2023-11-29 03:04:23,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:23,143 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 34 transitions. Complement of second has 5 states. [2023-11-29 03:04:23,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-29 03:04:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-29 03:04:23,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-29 03:04:23,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:23,145 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:04:23,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:23,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 03:04:23,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:23,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:04:23,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:23,387 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2023-11-29 03:04:23,387 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:23,535 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 74 states and 96 transitions. Complement of second has 19 states. [2023-11-29 03:04:23,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-29 03:04:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 49 transitions. [2023-11-29 03:04:23,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 49 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-29 03:04:23,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:23,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 49 transitions. Stem has 24 letters. Loop has 4 letters. [2023-11-29 03:04:23,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:23,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 49 transitions. Stem has 20 letters. Loop has 8 letters. [2023-11-29 03:04:23,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:23,538 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 96 transitions. [2023-11-29 03:04:23,540 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:04:23,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 58 states and 72 transitions. [2023-11-29 03:04:23,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-29 03:04:23,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-29 03:04:23,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 72 transitions. [2023-11-29 03:04:23,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:04:23,542 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-29 03:04:23,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 72 transitions. [2023-11-29 03:04:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2023-11-29 03:04:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2023-11-29 03:04:23,546 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2023-11-29 03:04:23,546 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2023-11-29 03:04:23,546 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 03:04:23,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 51 transitions. [2023-11-29 03:04:23,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 03:04:23,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:23,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:23,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:23,548 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 03:04:23,548 INFO L748 eck$LassoCheckResult]: Stem: 1150#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1141#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 1149#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1151#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1152#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1138#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1139#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 1127#L33-4 havoc main_~i~0#1; 1128#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1129#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1130#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1153#L15-6 #t~short4 := ~j~0 > 0; 1158#L15-1 assume !#t~short4; 1157#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 1147#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1145#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1160#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1154#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1155#L15-6 #t~short4 := ~j~0 > 0; 1166#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1165#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 1148#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1132#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1131#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1133#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1159#L15-6 #t~short4 := ~j~0 > 0; 1142#L15-1 [2023-11-29 03:04:23,549 INFO L750 eck$LassoCheckResult]: Loop: 1142#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1143#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 1134#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 1135#L15-6 #t~short4 := ~j~0 > 0; 1142#L15-1 [2023-11-29 03:04:23,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:23,549 INFO L85 PathProgramCache]: Analyzing trace with hash -282447659, now seen corresponding path program 3 times [2023-11-29 03:04:23,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:23,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946878113] [2023-11-29 03:04:23,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:23,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:23,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:04:23,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946878113] [2023-11-29 03:04:23,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946878113] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:04:23,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962395397] [2023-11-29 03:04:23,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 03:04:23,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:04:23,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:23,825 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:04:23,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 03:04:23,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-29 03:04:23,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:04:23,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 03:04:23,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:04:24,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:04:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:04:24,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962395397] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:04:24,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:04:24,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 25 [2023-11-29 03:04:24,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645507444] [2023-11-29 03:04:24,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:04:24,331 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 03:04:24,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:24,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1239356, now seen corresponding path program 2 times [2023-11-29 03:04:24,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:24,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262078334] [2023-11-29 03:04:24,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:24,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:24,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:24,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:24,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:04:24,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 03:04:24,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2023-11-29 03:04:24,458 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. cyclomatic complexity: 14 Second operand has 25 states, 22 states have (on average 1.9545454545454546) internal successors, (43), 20 states have internal predecessors, (43), 5 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:24,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:04:24,823 INFO L93 Difference]: Finished difference Result 95 states and 115 transitions. [2023-11-29 03:04:24,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 115 transitions. [2023-11-29 03:04:24,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:04:24,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 49 states and 58 transitions. [2023-11-29 03:04:24,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-29 03:04:24,826 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-29 03:04:24,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 58 transitions. [2023-11-29 03:04:24,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:04:24,826 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 58 transitions. [2023-11-29 03:04:24,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 58 transitions. [2023-11-29 03:04:24,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2023-11-29 03:04:24,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 39 states have (on average 1.205128205128205) internal successors, (47), 38 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2023-11-29 03:04:24,830 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 50 transitions. [2023-11-29 03:04:24,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 03:04:24,830 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 50 transitions. [2023-11-29 03:04:24,830 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 03:04:24,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 50 transitions. [2023-11-29 03:04:24,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-29 03:04:24,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:04:24,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:04:24,832 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:04:24,832 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 03:04:24,832 INFO L748 eck$LassoCheckResult]: Stem: 1505#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1495#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1496#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 1504#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1493#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1494#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1516#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1506#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 1507#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1513#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 1487#L33-4 havoc main_~i~0#1; 1482#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1481#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1483#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1508#L15-6 #t~short4 := ~j~0 > 0; 1512#L15-1 assume !#t~short4; 1511#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 1501#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1485#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1484#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1486#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1509#L15-6 #t~short4 := ~j~0 > 0; 1522#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1517#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 1502#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1489#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1503#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1515#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1514#L15-6 #t~short4 := ~j~0 > 0; 1497#L15-1 [2023-11-29 03:04:24,833 INFO L750 eck$LassoCheckResult]: Loop: 1497#L15-1 assume #t~short4;call #t~mem3 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 1498#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 1488#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 1490#L15-6 #t~short4 := ~j~0 > 0; 1497#L15-1 [2023-11-29 03:04:24,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:24,833 INFO L85 PathProgramCache]: Analyzing trace with hash -574086185, now seen corresponding path program 4 times [2023-11-29 03:04:24,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:24,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121898182] [2023-11-29 03:04:24,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:24,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:24,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:24,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:24,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:24,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1239356, now seen corresponding path program 3 times [2023-11-29 03:04:24,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:24,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288304753] [2023-11-29 03:04:24,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:24,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:24,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:24,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:24,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:24,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1294388718, now seen corresponding path program 2 times [2023-11-29 03:04:24,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:04:24,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957470077] [2023-11-29 03:04:24,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:04:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:04:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:24,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:04:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:04:24,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:04:26,763 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:04:26,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:04:26,764 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:04:26,764 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:04:26,764 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:04:26,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:26,764 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:04:26,764 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:04:26,764 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration9_Lasso [2023-11-29 03:04:26,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:04:26,764 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:04:26,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:26,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:04:27,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:04:27,377 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:04:27,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,377 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 03:04:27,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,395 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 03:04:27,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,413 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 03:04:27,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,431 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 03:04:27,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 03:04:27,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,451 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 03:04:27,453 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 [2023-11-29 03:04:27,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,468 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 03:04:27,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,488 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 03:04:27,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 03:04:27,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,509 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 03:04:27,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,525 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 03:04:27,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,552 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 03:04:27,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 03:04:27,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,570 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 03:04:27,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 03:04:27,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,588 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 03:04:27,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 03:04:27,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,605 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 03:04:27,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 03:04:27,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,626 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 03:04:27,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 03:04:27,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,643 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 03:04:27,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 03:04:27,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,668 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 03:04:27,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-29 03:04:27,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,685 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 03:04:27,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:04:27,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:04:27,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:04:27,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,702 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 03:04:27,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-29 03:04:27,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,724 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 03:04:27,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,767 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 03:04:27,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:27,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,788 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-29 03:04:27,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-29 03:04:27,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,811 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-29 03:04:27,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,823 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-29 03:04:27,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,825 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 03:04:27,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-29 03:04:27,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,836 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 03:04:27,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:04:27,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:04:27,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:04:27,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:04:27,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-29 03:04:27,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,857 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 03:04:27,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:04:27,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:04:27,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:04:27,870 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 03:04:27,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:04:27,882 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-29 03:04:27,882 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 03:04:27,920 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:04:27,991 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2023-11-29 03:04:27,991 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-29 03:04:27,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:04:27,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:04:27,992 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:04:27,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 03:04:27,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:04:28,006 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-11-29 03:04:28,006 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:04:28,006 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~j~0) = 1*insertionSort_~j~0 Supporting invariants [-1*insertionSort_~array.offset >= 0] [2023-11-29 03:04:28,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-29 03:04:28,018 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2023-11-29 03:04:28,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:28,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 03:04:28,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:28,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:04:28,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:28,243 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2023-11-29 03:04:28,243 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 50 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:28,279 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 50 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 53 transitions. Complement of second has 8 states. [2023-11-29 03:04:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 03:04:28,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2023-11-29 03:04:28,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 29 letters. Loop has 4 letters. [2023-11-29 03:04:28,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:28,281 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:04:28,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:28,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 03:04:28,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:28,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:04:28,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:28,510 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 3 loop predicates [2023-11-29 03:04:28,510 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 50 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:28,554 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 50 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 53 transitions. Complement of second has 8 states. [2023-11-29 03:04:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 03:04:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2023-11-29 03:04:28,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 29 letters. Loop has 4 letters. [2023-11-29 03:04:28,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:28,555 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:04:28,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:04:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:28,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 03:04:28,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:04:28,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:04:28,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:04:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:04:28,786 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2023-11-29 03:04:28,786 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 50 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:28,858 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 50 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 68 states and 87 transitions. Complement of second has 16 states. [2023-11-29 03:04:28,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 03:04:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:04:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 31 transitions. [2023-11-29 03:04:28,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 31 transitions. Stem has 29 letters. Loop has 4 letters. [2023-11-29 03:04:28,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:28,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 31 transitions. Stem has 33 letters. Loop has 4 letters. [2023-11-29 03:04:28,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:28,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 31 transitions. Stem has 29 letters. Loop has 8 letters. [2023-11-29 03:04:28,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:04:28,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 87 transitions. [2023-11-29 03:04:28,863 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:04:28,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2023-11-29 03:04:28,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 03:04:28,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 03:04:28,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 03:04:28,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:04:28,863 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:04:28,863 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:04:28,863 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:04:28,863 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-29 03:04:28,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:04:28,863 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:04:28,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 03:04:28,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 03:04:28 BoogieIcfgContainer [2023-11-29 03:04:28,869 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 03:04:28,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:04:28,869 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:04:28,869 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:04:28,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:04:12" (3/4) ... [2023-11-29 03:04:28,871 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:04:28,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:04:28,872 INFO L158 Benchmark]: Toolchain (without parser) took 16799.77ms. Allocated memory was 138.4MB in the beginning and 255.9MB in the end (delta: 117.4MB). Free memory was 106.9MB in the beginning and 76.3MB in the end (delta: 30.6MB). Peak memory consumption was 150.1MB. Max. memory is 16.1GB. [2023-11-29 03:04:28,872 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:04:28,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.48ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 96.5MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 03:04:28,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.97ms. Allocated memory is still 138.4MB. Free memory was 96.5MB in the beginning and 95.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:04:28,873 INFO L158 Benchmark]: Boogie Preprocessor took 36.15ms. Allocated memory is still 138.4MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:04:28,873 INFO L158 Benchmark]: RCFGBuilder took 260.37ms. Allocated memory is still 138.4MB. Free memory was 93.5MB in the beginning and 81.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:04:28,873 INFO L158 Benchmark]: BuchiAutomizer took 16280.21ms. Allocated memory was 138.4MB in the beginning and 255.9MB in the end (delta: 117.4MB). Free memory was 81.8MB in the beginning and 77.3MB in the end (delta: 4.5MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB. [2023-11-29 03:04:28,873 INFO L158 Benchmark]: Witness Printer took 2.52ms. Allocated memory is still 255.9MB. Free memory was 77.3MB in the beginning and 76.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:04:28,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.48ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 96.5MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.97ms. Allocated memory is still 138.4MB. Free memory was 96.5MB in the beginning and 95.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.15ms. Allocated memory is still 138.4MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 260.37ms. Allocated memory is still 138.4MB. Free memory was 93.5MB in the beginning and 81.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 16280.21ms. Allocated memory was 138.4MB in the beginning and 255.9MB in the end (delta: 117.4MB). Free memory was 81.8MB in the beginning and 77.3MB in the end (delta: 4.5MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB. * Witness Printer took 2.52ms. Allocated memory is still 255.9MB. Free memory was 77.3MB in the beginning and 76.3MB 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[~a~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~array!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (5 trivial, 2 deterministic, 2 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (size + (-1 * i)) and consists of 6 locations. One nondeterministic module has affine ranking function null and consists of 10 locations. One nondeterministic module has affine ranking function j and consists of 7 locations. 5 modules have a trivial ranking function, the largest among these consists of 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.2s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 13.2s. Construction of modules took 0.3s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 30 StatesRemovedByMinimization, 6 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, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 287 mSDsluCounter, 645 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 470 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 554 IncrementalHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 175 mSDtfsCounter, 554 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU2 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital174 mio100 ax100 hnf100 lsp99 ukn83 mio100 lsp50 div131 bol102 ite100 ukn100 eq172 hnf91 smp86 dnf151 smp80 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 230ms VariablesStem: 12 VariablesLoop: 9 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 03:04:28,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-29 03:04:29,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 03:04:29,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:04:29,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f218541-9663-4123-9739-1cc95ed896e2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE