./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.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_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme --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 e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:44,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:45,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 10:44:45,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:45,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:45,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:45,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:45,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:45,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:45,075 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:45,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:45,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:45,078 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:45,080 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:44:45,081 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:44:45,081 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:44:45,082 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:44:45,082 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:44:45,082 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:44:45,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:45,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:44:45,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:44:45,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:45,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:44:45,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:44:45,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:44:45,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:44:45,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:45,087 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:44:45,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:45,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:45,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:45,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:45,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:44:45,090 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:44:45,090 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_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 [2023-11-26 10:44:45,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:45,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:45,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:45,417 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:45,418 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:45,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2023-11-26 10:44:48,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:48,713 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:48,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2023-11-26 10:44:48,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/data/71d43a387/9201fcbd74c04a679593c2711c211c16/FLAG5228d0293 [2023-11-26 10:44:48,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/data/71d43a387/9201fcbd74c04a679593c2711c211c16 [2023-11-26 10:44:48,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:48,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:48,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:48,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:48,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:48,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:48,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48, skipping insertion in model container [2023-11-26 10:44:48,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:48,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:48,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:48,964 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:48,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:49,004 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:49,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49 WrapperNode [2023-11-26 10:44:49,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:49,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:49,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:49,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:49,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,076 INFO L138 Inliner]: procedures = 12, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-26 10:44:49,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:49,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:49,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:49,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:49,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,125 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [8, 2]. 80 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 3 writes are split as follows [2, 1]. [2023-11-26 10:44:49,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:49,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:49,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:49,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:49,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (1/1) ... [2023-11-26 10:44:49,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:49,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:49,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:49,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:44:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:44:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure merge_sort [2023-11-26 10:44:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_sort [2023-11-26 10:44:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:44:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:44:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:44:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:44:49,369 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:49,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:44:49,699 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:44:49,713 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:44:49,714 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 10:44:49,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:49 BoogieIcfgContainer [2023-11-26 10:44:49,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:44:49,716 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:44:49,717 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:44:49,727 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:44:49,728 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:44:49,728 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:44:48" (1/3) ... [2023-11-26 10:44:49,729 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29a8216d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:44:49, skipping insertion in model container [2023-11-26 10:44:49,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:44:49,730 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:49" (2/3) ... [2023-11-26 10:44:49,730 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29a8216d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:44:49, skipping insertion in model container [2023-11-26 10:44:49,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:44:49,731 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:49" (3/3) ... [2023-11-26 10:44:49,732 INFO L332 chiAutomizerObserver]: Analyzing ICFG mergeSort.i [2023-11-26 10:44:49,791 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:44:49,791 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:44:49,791 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:44:49,792 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:44:49,792 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:44:49,792 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:44:49,792 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:44:49,792 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:44:49,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:44:49,843 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2023-11-26 10:44:49,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:44:49,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:44:49,848 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:44:49,849 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:44:49,849 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:44:49,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:44:49,853 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2023-11-26 10:44:49,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:44:49,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:44:49,855 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:44:49,855 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:44:49,864 INFO L748 eck$LassoCheckResult]: Stem: 29#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 16#L35true assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 10#L40-3true [2023-11-26 10:44:49,865 INFO L750 eck$LassoCheckResult]: Loop: 10#L40-3true assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 11#L40-2true main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 10#L40-3true [2023-11-26 10:44:49,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 89440, now seen corresponding path program 1 times [2023-11-26 10:44:49,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:49,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683750560] [2023-11-26 10:44:49,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:49,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:50,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:50,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:50,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:50,047 INFO L85 PathProgramCache]: Analyzing trace with hash 3363, now seen corresponding path program 1 times [2023-11-26 10:44:50,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:50,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968797339] [2023-11-26 10:44:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:50,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:50,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:50,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:50,081 INFO L85 PathProgramCache]: Analyzing trace with hash 85954242, now seen corresponding path program 1 times [2023-11-26 10:44:50,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:50,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474717720] [2023-11-26 10:44:50,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:50,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:50,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:50,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:50,474 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:44:50,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:44:50,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:44:50,476 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:44:50,476 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:44:50,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:50,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:44:50,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:44:50,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration1_Lasso [2023-11-26 10:44:50,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:44:50,478 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:44:50,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:50,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:50,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:50,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:50,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:50,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:50,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:50,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:44:50,977 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:44:50,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:50,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:50,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:50,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:44:50,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:44:51,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:51,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:51,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:51,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,034 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,047 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 [2023-11-26 10:44:51,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:51,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:51,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:51,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:44:51,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:44:51,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:51,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:51,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:51,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:44:51,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,152 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 [2023-11-26 10:44:51,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:51,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:51,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:51,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:44:51,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,201 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 [2023-11-26 10:44:51,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:44:51,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:51,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:51,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:51,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,248 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 [2023-11-26 10:44:51,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:51,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:51,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:51,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:44:51,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,283 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,290 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 [2023-11-26 10:44:51,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:44:51,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:51,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:51,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:51,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,335 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:44:51,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,356 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 10:44:51,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:44:51,367 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-26 10:44:51,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:44:51,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,404 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,415 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 [2023-11-26 10:44:51,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:44:51,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:44:51,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:44:51,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-26 10:44:51,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,463 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:44:51,472 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 [2023-11-26 10:44:51,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:44:51,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:44:51,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:51,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,503 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,510 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 [2023-11-26 10:44:51,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:51,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:51,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:51,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:51,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:44:51,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:44:51,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:44:51,602 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:44:51,671 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-26 10:44:51,671 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-26 10:44:51,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:51,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:51,708 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:51,715 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:44:51,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:44:51,736 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:44:51,737 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:44:51,737 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2023-11-26 10:44:51,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:51,757 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-11-26 10:44:51,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:51,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:44:51,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:51,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:44:51,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:51,883 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 [2023-11-26 10:44:51,885 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2023-11-26 10:44:51,960 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). 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 63 states and 87 transitions. Complement of second has 9 states. [2023-11-26 10:44:51,962 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 [2023-11-26 10:44:51,969 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) [2023-11-26 10:44:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2023-11-26 10:44:51,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-26 10:44:51,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:44:51,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-26 10:44:51,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:44:51,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-26 10:44:51,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:44:51,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 87 transitions. [2023-11-26 10:44:51,993 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-26 10:44:51,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 28 states and 39 transitions. [2023-11-26 10:44:52,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-26 10:44:52,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-26 10:44:52,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 39 transitions. [2023-11-26 10:44:52,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:44:52,003 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 39 transitions. [2023-11-26 10:44:52,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 39 transitions. [2023-11-26 10:44:52,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-26 10:44:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:44:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2023-11-26 10:44:52,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 39 transitions. [2023-11-26 10:44:52,044 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2023-11-26 10:44:52,044 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:44:52,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2023-11-26 10:44:52,047 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-26 10:44:52,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:44:52,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:44:52,048 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 10:44:52,048 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:44:52,048 INFO L748 eck$LassoCheckResult]: Stem: 168#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 152#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 154#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 155#L40-4 havoc main_~i~1#1; 141#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 142#$Ultimate##0 [2023-11-26 10:44:52,048 INFO L750 eck$LassoCheckResult]: Loop: 142#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 163#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 144#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 142#$Ultimate##0 [2023-11-26 10:44:52,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:52,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1630387501, now seen corresponding path program 1 times [2023-11-26 10:44:52,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:52,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377542051] [2023-11-26 10:44:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:52,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:52,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:52,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377542051] [2023-11-26 10:44:52,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377542051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:52,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:52,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:52,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907978449] [2023-11-26 10:44:52,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:52,150 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:44:52,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:52,150 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 1 times [2023-11-26 10:44:52,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:52,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798400799] [2023-11-26 10:44:52,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:52,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:52,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:52,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:52,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:44:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:52,397 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 15 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) [2023-11-26 10:44:52,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:52,420 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2023-11-26 10:44:52,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2023-11-26 10:44:52,425 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-26 10:44:52,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2023-11-26 10:44:52,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2023-11-26 10:44:52,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-26 10:44:52,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2023-11-26 10:44:52,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:44:52,430 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 37 transitions. [2023-11-26 10:44:52,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2023-11-26 10:44:52,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2023-11-26 10:44:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:44:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2023-11-26 10:44:52,437 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2023-11-26 10:44:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:44:52,439 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2023-11-26 10:44:52,439 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:44:52,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2023-11-26 10:44:52,441 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-26 10:44:52,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:44:52,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:44:52,442 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:52,442 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:44:52,443 INFO L748 eck$LassoCheckResult]: Stem: 231#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 215#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 217#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 218#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 219#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 220#L40-4 havoc main_~i~1#1; 204#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 205#$Ultimate##0 [2023-11-26 10:44:52,443 INFO L750 eck$LassoCheckResult]: Loop: 205#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 226#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 207#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 205#$Ultimate##0 [2023-11-26 10:44:52,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:52,444 INFO L85 PathProgramCache]: Analyzing trace with hash 862387761, now seen corresponding path program 1 times [2023-11-26 10:44:52,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:52,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357275388] [2023-11-26 10:44:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:52,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:52,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:52,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:52,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:52,477 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 2 times [2023-11-26 10:44:52,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:52,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433273211] [2023-11-26 10:44:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:52,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:52,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:52,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:52,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:52,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1100576510, now seen corresponding path program 1 times [2023-11-26 10:44:52,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:52,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506312755] [2023-11-26 10:44:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:52,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:52,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:52,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506312755] [2023-11-26 10:44:52,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506312755] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:52,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769716285] [2023-11-26 10:44:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:52,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:52,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:52,610 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:52,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-26 10:44:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:52,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:44:52,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:52,708 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:52,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769716285] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:52,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:52,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-26 10:44:52,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382381778] [2023-11-26 10:44:52,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:52,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:52,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:52,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:44:52,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:44:52,982 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2023-11-26 10:44:53,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:53,084 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2023-11-26 10:44:53,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2023-11-26 10:44:53,089 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-26 10:44:53,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 33 states and 42 transitions. [2023-11-26 10:44:53,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-26 10:44:53,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-26 10:44:53,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2023-11-26 10:44:53,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:44:53,097 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 42 transitions. [2023-11-26 10:44:53,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2023-11-26 10:44:53,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2023-11-26 10:44:53,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:44:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2023-11-26 10:44:53,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 38 transitions. [2023-11-26 10:44:53,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:44:53,105 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2023-11-26 10:44:53,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 10:44:53,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2023-11-26 10:44:53,106 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-26 10:44:53,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:44:53,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:44:53,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:53,107 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:44:53,107 INFO L748 eck$LassoCheckResult]: Stem: 376#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 358#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 359#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 361#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 362#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 363#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 364#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 377#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 375#L40-4 havoc main_~i~1#1; 348#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 349#$Ultimate##0 [2023-11-26 10:44:53,107 INFO L750 eck$LassoCheckResult]: Loop: 349#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 370#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 351#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 349#$Ultimate##0 [2023-11-26 10:44:53,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:53,108 INFO L85 PathProgramCache]: Analyzing trace with hash -172336625, now seen corresponding path program 2 times [2023-11-26 10:44:53,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:53,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358899450] [2023-11-26 10:44:53,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:53,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:53,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:53,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:53,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 3 times [2023-11-26 10:44:53,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:53,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341966216] [2023-11-26 10:44:53,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:53,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:53,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:53,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:53,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1594476444, now seen corresponding path program 2 times [2023-11-26 10:44:53,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:53,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065853723] [2023-11-26 10:44:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:53,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:53,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:53,962 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:44:53,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:44:53,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:44:53,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:44:53,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:44:53,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:53,963 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:44:53,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:44:53,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration4_Lasso [2023-11-26 10:44:53,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:44:53,963 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:44:53,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:53,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:53,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:53,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:54,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:44:54,725 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:44:54,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:54,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:54,730 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:54,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:44:54,734 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 [2023-11-26 10:44:54,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:54,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:54,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:54,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:54,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:54,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:54,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:54,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:54,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:54,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:54,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:54,755 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:54,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:44:54,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:44:54,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:54,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:54,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:54,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:54,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:54,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:54,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:54,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:54,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:54,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:54,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:54,780 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:54,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:44:54,786 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 [2023-11-26 10:44:54,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:54,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:54,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:54,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:54,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:44:54,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:44:54,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:44:54,857 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-26 10:44:54,857 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-26 10:44:54,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:54,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:54,865 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:54,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:44:54,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:44:54,903 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:44:54,903 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:44:54,903 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_#in~n#1) = 1*merge_sort_#in~n#1 Supporting invariants [] [2023-11-26 10:44:54,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:54,916 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2023-11-26 10:44:54,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:54,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:44:54,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:55,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:44:55,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:55,042 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 10:44:55,042 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-26 10:44:55,102 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 48 states and 60 transitions. Complement of second has 12 states. [2023-11-26 10:44:55,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 10:44:55,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-26 10:44:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-26 10:44:55,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-26 10:44:55,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:44:55,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 13 letters. Loop has 3 letters. [2023-11-26 10:44:55,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:44:55,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-26 10:44:55,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:44:55,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2023-11-26 10:44:55,109 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-26 10:44:55,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 39 states and 51 transitions. [2023-11-26 10:44:55,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-26 10:44:55,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-26 10:44:55,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 51 transitions. [2023-11-26 10:44:55,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:44:55,116 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2023-11-26 10:44:55,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 51 transitions. [2023-11-26 10:44:55,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2023-11-26 10:44:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-26 10:44:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2023-11-26 10:44:55,126 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 47 transitions. [2023-11-26 10:44:55,126 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 47 transitions. [2023-11-26 10:44:55,127 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 10:44:55,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 47 transitions. [2023-11-26 10:44:55,128 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-26 10:44:55,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:44:55,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:44:55,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:55,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:55,130 INFO L748 eck$LassoCheckResult]: Stem: 537#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 515#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 516#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 518#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 519#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 520#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 521#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 538#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 536#L40-4 havoc main_~i~1#1; 504#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 505#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 530#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 509#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 529#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 531#L24 assume ~n#1 < 2; 527#merge_sortFINAL assume true; 526#merge_sortEXIT >#88#return; 508#L27-1 [2023-11-26 10:44:55,130 INFO L750 eck$LassoCheckResult]: Loop: 508#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 528#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 540#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 507#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 528#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 540#L24 assume ~n#1 < 2; 517#merge_sortFINAL assume true; 539#merge_sortEXIT >#88#return; 508#L27-1 [2023-11-26 10:44:55,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1352366372, now seen corresponding path program 1 times [2023-11-26 10:44:55,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:55,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817919185] [2023-11-26 10:44:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:55,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:55,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:55,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1121289573, now seen corresponding path program 1 times [2023-11-26 10:44:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:55,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195344848] [2023-11-26 10:44:55,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:55,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:55,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:55,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:55,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash -526901058, now seen corresponding path program 1 times [2023-11-26 10:44:55,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:55,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833123386] [2023-11-26 10:44:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:55,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-26 10:44:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 10:44:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 10:44:55,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:55,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833123386] [2023-11-26 10:44:55,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833123386] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:55,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714752715] [2023-11-26 10:44:55,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:55,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:55,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:55,682 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:55,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-26 10:44:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:55,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 10:44:55,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:55,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 10:44:55,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714752715] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:55,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:55,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 15 [2023-11-26 10:44:55,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529326413] [2023-11-26 10:44:55,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:56,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:56,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-26 10:44:56,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:44:56,537 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. cyclomatic complexity: 15 Second operand has 15 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-26 10:44:56,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:56,876 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2023-11-26 10:44:56,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 93 transitions. [2023-11-26 10:44:56,882 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 25 [2023-11-26 10:44:56,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 70 states and 88 transitions. [2023-11-26 10:44:56,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-11-26 10:44:56,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2023-11-26 10:44:56,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 88 transitions. [2023-11-26 10:44:56,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:44:56,892 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 88 transitions. [2023-11-26 10:44:56,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 88 transitions. [2023-11-26 10:44:56,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 67. [2023-11-26 10:44:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-26 10:44:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2023-11-26 10:44:56,906 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 83 transitions. [2023-11-26 10:44:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-26 10:44:56,909 INFO L428 stractBuchiCegarLoop]: Abstraction has 67 states and 83 transitions. [2023-11-26 10:44:56,909 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 10:44:56,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 83 transitions. [2023-11-26 10:44:56,911 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 24 [2023-11-26 10:44:56,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:44:56,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:44:56,913 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:56,914 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:56,914 INFO L748 eck$LassoCheckResult]: Stem: 843#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 818#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 819#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 821#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 822#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 823#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 824#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 857#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 858#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 859#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 854#L40-4 havoc main_~i~1#1; 812#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 850#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 834#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 811#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 832#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 835#L24 assume ~n#1 < 2; 840#merge_sortFINAL assume true; 829#merge_sortEXIT >#88#return; 810#L27-1 [2023-11-26 10:44:56,914 INFO L750 eck$LassoCheckResult]: Loop: 810#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 831#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 833#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 809#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 831#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 833#L24 assume ~n#1 < 2; 872#merge_sortFINAL assume true; 871#merge_sortEXIT >#88#return; 810#L27-1 [2023-11-26 10:44:56,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:56,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1854838534, now seen corresponding path program 2 times [2023-11-26 10:44:56,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:56,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122745542] [2023-11-26 10:44:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:56,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:56,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:56,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:56,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:56,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1121289573, now seen corresponding path program 2 times [2023-11-26 10:44:56,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:56,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177911889] [2023-11-26 10:44:56,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:56,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:56,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:57,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:57,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash 8928416, now seen corresponding path program 2 times [2023-11-26 10:44:57,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:57,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043786393] [2023-11-26 10:44:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:57,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:57,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:57,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:58,696 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:44:58,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:44:58,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:44:58,696 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:44:58,696 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:44:58,696 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:58,696 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:44:58,696 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:44:58,696 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration6_Lasso [2023-11-26 10:44:58,696 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:44:58,696 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:44:58,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:58,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:59,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:44:59,635 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:44:59,635 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:44:59,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,639 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,660 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 [2023-11-26 10:44:59,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 10:44:59,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,694 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,703 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 [2023-11-26 10:44:59,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:44:59,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,739 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,749 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 [2023-11-26 10:44:59,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 10:44:59,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,779 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,786 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 [2023-11-26 10:44:59,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 10:44:59,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,808 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 10:44:59,816 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 [2023-11-26 10:44:59,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,855 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,862 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 [2023-11-26 10:44:59,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 10:44:59,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,895 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,900 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 [2023-11-26 10:44:59,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 10:44:59,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,934 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,938 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 [2023-11-26 10:44:59,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 10:44:59,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,967 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,970 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 [2023-11-26 10:44:59,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:44:59,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:44:59,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:44:59,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:44:59,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:44:59,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 10:44:59,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:44:59,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:44:59,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:44:59,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:44:59,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,993 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 10:44:59,996 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 [2023-11-26 10:45:00,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-26 10:45:00,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,014 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 10:45:00,016 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 [2023-11-26 10:45:00,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-26 10:45:00,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,034 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 10:45:00,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:00,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-26 10:45:00,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,052 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 10:45:00,056 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 [2023-11-26 10:45:00,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,072 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,075 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 [2023-11-26 10:45:00,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 10:45:00,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,118 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 10:45:00,122 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 [2023-11-26 10:45:00,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,154 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,162 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 [2023-11-26 10:45:00,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 10:45:00,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,190 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,196 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 [2023-11-26 10:45:00,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 10:45:00,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,224 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 10:45:00,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:00,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-26 10:45:00,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,244 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 10:45:00,247 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 [2023-11-26 10:45:00,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-26 10:45:00,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,262 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 10:45:00,265 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 [2023-11-26 10:45:00,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,284 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 10:45:00,287 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 [2023-11-26 10:45:00,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,303 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 10:45:00,305 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 [2023-11-26 10:45:00,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-26 10:45:00,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,327 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,330 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 [2023-11-26 10:45:00,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 10:45:00,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-26 10:45:00,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,346 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 10:45:00,348 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 [2023-11-26 10:45:00,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-26 10:45:00,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,364 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 10:45:00,368 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 [2023-11-26 10:45:00,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,384 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 10:45:00,387 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 [2023-11-26 10:45:00,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-26 10:45:00,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,402 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 10:45:00,406 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 [2023-11-26 10:45:00,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-26 10:45:00,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,421 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,424 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 [2023-11-26 10:45:00,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 10:45:00,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,440 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 10:45:00,444 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 [2023-11-26 10:45:00,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,486 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,490 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 [2023-11-26 10:45:00,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 10:45:00,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,518 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,523 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 [2023-11-26 10:45:00,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 10:45:00,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,555 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,562 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 [2023-11-26 10:45:00,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 10:45:00,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,589 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,592 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 [2023-11-26 10:45:00,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-26 10:45:00,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,620 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,624 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 [2023-11-26 10:45:00,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 10:45:00,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,660 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,663 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 [2023-11-26 10:45:00,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-26 10:45:00,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,681 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-26 10:45:00,684 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 [2023-11-26 10:45:00,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-26 10:45:00,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,700 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-26 10:45:00,702 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 [2023-11-26 10:45:00,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,736 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,742 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 [2023-11-26 10:45:00,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-26 10:45:00,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:00,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:00,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:00,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-26 10:45:00,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,760 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-26 10:45:00,762 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 [2023-11-26 10:45:00,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:00,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:00,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,791 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,798 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 [2023-11-26 10:45:00,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,811 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 10:45:00,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-26 10:45:00,815 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-26 10:45:00,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:00,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:00,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,850 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,858 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 [2023-11-26 10:45:00,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-26 10:45:00,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:00,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:00,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:00,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:00,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:00,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:00,925 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:45:00,952 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 10:45:00,952 INFO L444 ModelExtractionUtils]: 17 out of 25 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-26 10:45:00,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:00,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:00,954 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:00,957 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:45:00,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-26 10:45:00,983 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:45:00,983 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:45:00,983 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_~m~0#1, merge_sort_~n#1) = -1*merge_sort_~m~0#1 + 1*merge_sort_~n#1 Supporting invariants [] [2023-11-26 10:45:00,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,990 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-11-26 10:45:01,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:01,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:45:01,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:01,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 10:45:01,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:01,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:01,211 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2023-11-26 10:45:01,212 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 83 transitions. cyclomatic complexity: 23 Second operand has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:45:01,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:01,414 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 83 transitions. cyclomatic complexity: 23. Second operand has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Result 325 states and 440 transitions. Complement of second has 28 states. [2023-11-26 10:45:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-26 10:45:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:45:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 71 transitions. [2023-11-26 10:45:01,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 71 transitions. Stem has 19 letters. Loop has 8 letters. [2023-11-26 10:45:01,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:01,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 71 transitions. Stem has 27 letters. Loop has 8 letters. [2023-11-26 10:45:01,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:01,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 71 transitions. Stem has 19 letters. Loop has 16 letters. [2023-11-26 10:45:01,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:01,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 325 states and 440 transitions. [2023-11-26 10:45:01,428 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 88 [2023-11-26 10:45:01,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 325 states to 237 states and 327 transitions. [2023-11-26 10:45:01,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2023-11-26 10:45:01,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2023-11-26 10:45:01,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 237 states and 327 transitions. [2023-11-26 10:45:01,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:01,437 INFO L218 hiAutomatonCegarLoop]: Abstraction has 237 states and 327 transitions. [2023-11-26 10:45:01,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states and 327 transitions. [2023-11-26 10:45:01,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 216. [2023-11-26 10:45:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 179 states have (on average 1.2905027932960893) internal successors, (231), 181 states have internal predecessors, (231), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2023-11-26 10:45:01,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 292 transitions. [2023-11-26 10:45:01,457 INFO L240 hiAutomatonCegarLoop]: Abstraction has 216 states and 292 transitions. [2023-11-26 10:45:01,457 INFO L428 stractBuchiCegarLoop]: Abstraction has 216 states and 292 transitions. [2023-11-26 10:45:01,457 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 10:45:01,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 216 states and 292 transitions. [2023-11-26 10:45:01,460 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 78 [2023-11-26 10:45:01,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:01,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:01,462 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:01,462 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:45:01,462 INFO L748 eck$LassoCheckResult]: Stem: 1402#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1358#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 1359#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 1362#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 1363#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1364#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 1365#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1425#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 1426#L40-4 havoc main_~i~1#1; 1337#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1338#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1442#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 1381#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 1382#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1533#L24 assume ~n#1 < 2; 1531#merge_sortFINAL assume true; 1528#merge_sortEXIT >#88#return; 1377#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 1385#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1386#L24 assume ~n#1 < 2; 1397#merge_sortFINAL assume true; 1376#merge_sortEXIT >#90#return; 1372#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 1373#L11-3 [2023-11-26 10:45:01,463 INFO L750 eck$LassoCheckResult]: Loop: 1373#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 1368#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 1369#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 1399#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 1373#L11-3 [2023-11-26 10:45:01,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:01,463 INFO L85 PathProgramCache]: Analyzing trace with hash 178168560, now seen corresponding path program 1 times [2023-11-26 10:45:01,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:01,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029158364] [2023-11-26 10:45:01,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:01,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:01,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:01,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:01,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:01,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1388838, now seen corresponding path program 1 times [2023-11-26 10:45:01,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:01,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641026021] [2023-11-26 10:45:01,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:01,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:01,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:01,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:01,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:01,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2084911979, now seen corresponding path program 1 times [2023-11-26 10:45:01,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:01,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347503293] [2023-11-26 10:45:01,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:01,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:45:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:01,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:45:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 10:45:01,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:01,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347503293] [2023-11-26 10:45:01,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347503293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:01,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:01,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:45:01,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442109978] [2023-11-26 10:45:01,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:01,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:01,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:45:01,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:45:01,829 INFO L87 Difference]: Start difference. First operand 216 states and 292 transitions. cyclomatic complexity: 100 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:01,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:01,948 INFO L93 Difference]: Finished difference Result 336 states and 451 transitions. [2023-11-26 10:45:01,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 336 states and 451 transitions. [2023-11-26 10:45:01,955 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 136 [2023-11-26 10:45:01,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 336 states to 336 states and 451 transitions. [2023-11-26 10:45:01,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 247 [2023-11-26 10:45:01,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 247 [2023-11-26 10:45:01,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 336 states and 451 transitions. [2023-11-26 10:45:01,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:01,964 INFO L218 hiAutomatonCegarLoop]: Abstraction has 336 states and 451 transitions. [2023-11-26 10:45:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states and 451 transitions. [2023-11-26 10:45:01,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 270. [2023-11-26 10:45:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 233 states have (on average 1.261802575107296) internal successors, (294), 235 states have internal predecessors, (294), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2023-11-26 10:45:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 355 transitions. [2023-11-26 10:45:01,985 INFO L240 hiAutomatonCegarLoop]: Abstraction has 270 states and 355 transitions. [2023-11-26 10:45:01,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:01,986 INFO L428 stractBuchiCegarLoop]: Abstraction has 270 states and 355 transitions. [2023-11-26 10:45:01,986 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 10:45:01,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 355 transitions. [2023-11-26 10:45:01,989 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 120 [2023-11-26 10:45:01,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:01,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:01,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:01,990 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:01,990 INFO L748 eck$LassoCheckResult]: Stem: 1987#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1934#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 1935#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 1938#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 1939#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1940#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 1941#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1995#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 1996#L40-4 havoc main_~i~1#1; 1911#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1912#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2042#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 2039#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 2040#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2046#L24 assume ~n#1 < 2; 2045#merge_sortFINAL assume true; 2043#merge_sortEXIT >#88#return; 1956#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 2038#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1980#L24 assume ~n#1 < 2; 1955#merge_sortFINAL assume true; 1957#merge_sortEXIT >#90#return; 2118#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 2149#L11-3 [2023-11-26 10:45:01,991 INFO L750 eck$LassoCheckResult]: Loop: 2149#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 2150#L12 assume !(merge_~j~0#1 == merge_~n#1); 2164#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 2167#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 2166#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 2165#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 2159#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 2160#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 2149#L11-3 [2023-11-26 10:45:01,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:01,991 INFO L85 PathProgramCache]: Analyzing trace with hash 178168560, now seen corresponding path program 2 times [2023-11-26 10:45:01,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:01,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266278934] [2023-11-26 10:45:01,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:01,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:02,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:02,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:02,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:02,024 INFO L85 PathProgramCache]: Analyzing trace with hash -120477233, now seen corresponding path program 1 times [2023-11-26 10:45:02,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:02,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929179245] [2023-11-26 10:45:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:02,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:02,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:02,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:02,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1066528190, now seen corresponding path program 1 times [2023-11-26 10:45:02,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:02,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340910225] [2023-11-26 10:45:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:02,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:02,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:04,434 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:45:04,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:45:04,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:45:04,434 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:45:04,435 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:45:04,435 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:04,435 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:45:04,435 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:45:04,435 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration8_Lasso [2023-11-26 10:45:04,435 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:45:04,435 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:45:04,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:04,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:05,957 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:45:05,967 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:45:05,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:05,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:05,968 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:05,978 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 [2023-11-26 10:45:05,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-26 10:45:05,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:05,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:05,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:05,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:05,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:05,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:05,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-26 10:45:06,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,005 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-26 10:45:06,007 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 [2023-11-26 10:45:06,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-26 10:45:06,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,046 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-26 10:45:06,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:06,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-26 10:45:06,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,090 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,094 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 [2023-11-26 10:45:06,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-26 10:45:06,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-26 10:45:06,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,112 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-26 10:45:06,117 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 [2023-11-26 10:45:06,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-26 10:45:06,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,133 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-26 10:45:06,136 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 [2023-11-26 10:45:06,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-26 10:45:06,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,154 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-26 10:45:06,157 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 [2023-11-26 10:45:06,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:06,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:06,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:06,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,202 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:06,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:06,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:06,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-26 10:45:06,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:06,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,251 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,258 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 [2023-11-26 10:45:06,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-26 10:45:06,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:06,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,288 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,292 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 [2023-11-26 10:45:06,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-26 10:45:06,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-26 10:45:06,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,318 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-26 10:45:06,320 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 [2023-11-26 10:45:06,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-26 10:45:06,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,336 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-26 10:45:06,339 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 [2023-11-26 10:45:06,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-26 10:45:06,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,355 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-26 10:45:06,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:06,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-26 10:45:06,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,374 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-26 10:45:06,376 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 [2023-11-26 10:45:06,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:06,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:06,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:06,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-26 10:45:06,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,392 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-26 10:45:06,395 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 [2023-11-26 10:45:06,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:06,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:06,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:06,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:06,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-26 10:45:06,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:06,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:06,417 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:06,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-26 10:45:06,420 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 [2023-11-26 10:45:06,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:06,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:06,431 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2023-11-26 10:45:06,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:06,509 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2023-11-26 10:45:06,509 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-11-26 10:45:06,983 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:45:08,151 INFO L443 ModelExtractionUtils]: Simplification made 38 calls to the SMT solver. [2023-11-26 10:45:08,151 INFO L444 ModelExtractionUtils]: 20 out of 100 variables were initially zero. Simplification set additionally 65 variables to zero. [2023-11-26 10:45:08,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:08,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:08,153 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:08,158 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:45:08,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-26 10:45:08,193 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 8. [2023-11-26 10:45:08,193 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:45:08,193 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~n#1, merge_sort_merge_~i~0#1) = 1*merge_sort_merge_~n#1 - 1*merge_sort_merge_~i~0#1 Supporting invariants [-4*merge_sort_merge_~j~0#1 - 1*merge_sort_merge_~x~0#1.offset - 1*v_rep(select #length merge_sort_merge_~a#1.base)_1 + 13 >= 0, -1*v_rep(select #length merge_sort_#in~a#1.base)_3 + 8 >= 0, 2*merge_sort_merge_~a#1.offset + 8*merge_sort_merge_~j~0#1 - 1*v_rep(select #length merge_sort_#in~a#1.base)_3 >= 0, 1*merge_sort_merge_~a#1.offset + 4*merge_sort_merge_~n#1 - 1*v_rep(select #length merge_sort_merge_~a#1.base)_1 >= 0] [2023-11-26 10:45:08,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-26 10:45:08,265 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-26 10:45:08,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:08,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-26 10:45:08,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:08,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-26 10:45:08,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-26 10:45:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:08,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:45:08,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:08,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:08,906 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2023-11-26 10:45:08,906 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 270 states and 355 transitions. cyclomatic complexity: 109 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:09,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:09,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 270 states and 355 transitions. cyclomatic complexity: 109. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 380 states and 525 transitions. Complement of second has 14 states. [2023-11-26 10:45:09,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-26 10:45:09,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 49 transitions. [2023-11-26 10:45:09,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 49 transitions. Stem has 23 letters. Loop has 8 letters. [2023-11-26 10:45:09,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:09,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 49 transitions. Stem has 31 letters. Loop has 8 letters. [2023-11-26 10:45:09,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:09,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 49 transitions. Stem has 23 letters. Loop has 16 letters. [2023-11-26 10:45:09,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:09,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 380 states and 525 transitions. [2023-11-26 10:45:09,364 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 124 [2023-11-26 10:45:09,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 380 states to 378 states and 521 transitions. [2023-11-26 10:45:09,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 246 [2023-11-26 10:45:09,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 260 [2023-11-26 10:45:09,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 378 states and 521 transitions. [2023-11-26 10:45:09,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:09,381 INFO L218 hiAutomatonCegarLoop]: Abstraction has 378 states and 521 transitions. [2023-11-26 10:45:09,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states and 521 transitions. [2023-11-26 10:45:09,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 288. [2023-11-26 10:45:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 249 states have (on average 1.2650602409638554) internal successors, (315), 251 states have internal predecessors, (315), 23 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2023-11-26 10:45:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 376 transitions. [2023-11-26 10:45:09,408 INFO L240 hiAutomatonCegarLoop]: Abstraction has 288 states and 376 transitions. [2023-11-26 10:45:09,408 INFO L428 stractBuchiCegarLoop]: Abstraction has 288 states and 376 transitions. [2023-11-26 10:45:09,409 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 10:45:09,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 288 states and 376 transitions. [2023-11-26 10:45:09,412 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 114 [2023-11-26 10:45:09,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:09,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:09,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:09,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 10:45:09,414 INFO L748 eck$LassoCheckResult]: Stem: 2834#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2779#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 2780#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 2786#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 2787#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 2788#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 2789#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 2842#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 2831#L40-4 havoc main_~i~1#1; 2771#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 2890#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2887#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 2882#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 2884#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2889#L24 assume ~n#1 < 2; 2886#merge_sortFINAL assume true; 2881#merge_sortEXIT >#88#return; 2877#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 2878#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2895#L24 assume ~n#1 < 2; 2879#merge_sortFINAL assume true; 2880#merge_sortEXIT >#90#return; 2875#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 2874#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 2790#L12 [2023-11-26 10:45:09,415 INFO L750 eck$LassoCheckResult]: Loop: 2790#L12 assume !(merge_~j~0#1 == merge_~n#1); 2775#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 2772#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 2832#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 2835#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 2814#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 2790#L12 [2023-11-26 10:45:09,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:09,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1228258079, now seen corresponding path program 1 times [2023-11-26 10:45:09,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:09,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068444252] [2023-11-26 10:45:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:09,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:09,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:09,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:09,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1482376367, now seen corresponding path program 1 times [2023-11-26 10:45:09,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:09,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279431883] [2023-11-26 10:45:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:09,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:09,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:09,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:09,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:09,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2045529779, now seen corresponding path program 1 times [2023-11-26 10:45:09,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:09,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114905876] [2023-11-26 10:45:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:09,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:45:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:45:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 10:45:09,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:09,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114905876] [2023-11-26 10:45:09,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114905876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:09,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:09,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:45:09,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049148180] [2023-11-26 10:45:09,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:09,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:09,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:45:09,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:45:09,758 INFO L87 Difference]: Start difference. First operand 288 states and 376 transitions. cyclomatic complexity: 113 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:09,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:09,848 INFO L93 Difference]: Finished difference Result 397 states and 533 transitions. [2023-11-26 10:45:09,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 397 states and 533 transitions. [2023-11-26 10:45:09,854 INFO L131 ngComponentsAnalysis]: Automaton has 17 accepting balls. 158 [2023-11-26 10:45:09,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 397 states to 397 states and 533 transitions. [2023-11-26 10:45:09,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 277 [2023-11-26 10:45:09,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 277 [2023-11-26 10:45:09,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 397 states and 533 transitions. [2023-11-26 10:45:09,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:09,863 INFO L218 hiAutomatonCegarLoop]: Abstraction has 397 states and 533 transitions. [2023-11-26 10:45:09,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states and 533 transitions. [2023-11-26 10:45:09,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 365. [2023-11-26 10:45:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 326 states have (on average 1.2822085889570551) internal successors, (418), 328 states have internal predecessors, (418), 23 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2023-11-26 10:45:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 479 transitions. [2023-11-26 10:45:09,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 365 states and 479 transitions. [2023-11-26 10:45:09,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:09,884 INFO L428 stractBuchiCegarLoop]: Abstraction has 365 states and 479 transitions. [2023-11-26 10:45:09,884 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 10:45:09,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 365 states and 479 transitions. [2023-11-26 10:45:09,887 INFO L131 ngComponentsAnalysis]: Automaton has 17 accepting balls. 156 [2023-11-26 10:45:09,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:09,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:09,888 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:09,888 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:09,889 INFO L748 eck$LassoCheckResult]: Stem: 3552#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3486#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 3487#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 3494#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 3495#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 3496#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 3497#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 3556#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 3557#L40-4 havoc main_~i~1#1; 3463#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 3464#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3615#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 3609#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 3611#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3616#L24 assume ~n#1 < 2; 3613#merge_sortFINAL assume true; 3608#merge_sortEXIT >#88#return; 3604#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 3605#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3620#L24 assume ~n#1 < 2; 3606#merge_sortFINAL assume true; 3607#merge_sortEXIT >#90#return; 3602#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 3599#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 3601#L12 [2023-11-26 10:45:09,889 INFO L750 eck$LassoCheckResult]: Loop: 3601#L12 assume !(merge_~j~0#1 == merge_~n#1); 3711#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 3709#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 3706#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 3707#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 3703#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 3704#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 3700#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 3601#L12 [2023-11-26 10:45:09,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:09,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1228258079, now seen corresponding path program 2 times [2023-11-26 10:45:09,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:09,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099363659] [2023-11-26 10:45:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:09,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:09,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:09,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:09,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:09,953 INFO L85 PathProgramCache]: Analyzing trace with hash 233986997, now seen corresponding path program 1 times [2023-11-26 10:45:09,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:09,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631173827] [2023-11-26 10:45:09,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:09,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:09,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:09,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:09,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:09,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1354622765, now seen corresponding path program 1 times [2023-11-26 10:45:09,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:09,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934206497] [2023-11-26 10:45:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:09,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:10,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:10,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:12,454 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:45:12,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:45:12,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:45:12,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:45:12,455 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:45:12,455 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:12,455 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:45:12,455 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:45:12,455 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration10_Lasso [2023-11-26 10:45:12,455 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:45:12,455 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:45:12,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:12,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:13,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:14,206 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:45:14,209 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:45:14,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,211 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,215 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 [2023-11-26 10:45:14,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-26 10:45:14,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,246 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,250 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 [2023-11-26 10:45:14,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-26 10:45:14,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,279 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-26 10:45:14,285 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 [2023-11-26 10:45:14,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-26 10:45:14,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,301 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-26 10:45:14,304 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 [2023-11-26 10:45:14,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,321 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-26 10:45:14,324 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 [2023-11-26 10:45:14,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-26 10:45:14,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,340 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-26 10:45:14,344 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 [2023-11-26 10:45:14,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-26 10:45:14,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,360 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-26 10:45:14,362 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 [2023-11-26 10:45:14,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-11-26 10:45:14,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,378 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-26 10:45:14,384 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 [2023-11-26 10:45:14,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,400 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-26 10:45:14,404 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 [2023-11-26 10:45:14,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2023-11-26 10:45:14,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,420 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-26 10:45:14,422 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 [2023-11-26 10:45:14,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2023-11-26 10:45:14,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,446 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-26 10:45:14,449 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 [2023-11-26 10:45:14,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,482 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-26 10:45:14,485 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 [2023-11-26 10:45:14,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:14,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:14,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:14,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2023-11-26 10:45:14,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,501 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-26 10:45:14,503 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 [2023-11-26 10:45:14,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,514 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-26 10:45:14,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,521 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 10:45:14,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,564 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,570 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 [2023-11-26 10:45:14,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-26 10:45:14,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2023-11-26 10:45:14,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,608 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-26 10:45:14,611 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 [2023-11-26 10:45:14,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,641 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-26 10:45:14,643 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 [2023-11-26 10:45:14,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,667 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-26 10:45:14,670 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 [2023-11-26 10:45:14,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2023-11-26 10:45:14,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,689 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2023-11-26 10:45:14,692 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 [2023-11-26 10:45:14,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,738 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,742 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 [2023-11-26 10:45:14,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2023-11-26 10:45:14,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,779 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,785 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 [2023-11-26 10:45:14,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2023-11-26 10:45:14,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,826 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,830 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 [2023-11-26 10:45:14,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2023-11-26 10:45:14,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,876 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,881 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 [2023-11-26 10:45:14,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2023-11-26 10:45:14,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,923 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:14,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2023-11-26 10:45:14,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:14,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:14,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:14,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:14,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:14,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:14,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:14,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:14,967 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:14,971 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 [2023-11-26 10:45:14,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2023-11-26 10:45:14,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:14,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:14,985 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2023-11-26 10:45:14,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:15,066 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2023-11-26 10:45:15,066 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-11-26 10:45:15,744 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:45:16,298 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-26 10:45:16,298 INFO L444 ModelExtractionUtils]: 31 out of 109 variables were initially zero. Simplification set additionally 75 variables to zero. [2023-11-26 10:45:16,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:16,300 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:16,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2023-11-26 10:45:16,302 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:45:16,317 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2023-11-26 10:45:16,317 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:45:16,317 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~k~0#1, merge_sort_merge_~n#1) = -1*merge_sort_merge_~k~0#1 + 1*merge_sort_merge_~n#1 Supporting invariants [] [2023-11-26 10:45:16,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:16,358 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2023-11-26 10:45:16,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:16,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:45:16,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:16,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:16,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:45:16,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:16,609 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 10:45:16,609 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 365 states and 479 transitions. cyclomatic complexity: 140 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:16,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 365 states and 479 transitions. cyclomatic complexity: 140. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 929 states and 1247 transitions. Complement of second has 14 states. [2023-11-26 10:45:16,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 10:45:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:16,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2023-11-26 10:45:16,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 24 letters. Loop has 8 letters. [2023-11-26 10:45:16,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:16,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 32 letters. Loop has 8 letters. [2023-11-26 10:45:16,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:16,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 24 letters. Loop has 16 letters. [2023-11-26 10:45:16,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:16,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 929 states and 1247 transitions. [2023-11-26 10:45:16,724 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 158 [2023-11-26 10:45:16,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 929 states to 862 states and 1149 transitions. [2023-11-26 10:45:16,741 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 455 [2023-11-26 10:45:16,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 483 [2023-11-26 10:45:16,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 862 states and 1149 transitions. [2023-11-26 10:45:16,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:16,742 INFO L218 hiAutomatonCegarLoop]: Abstraction has 862 states and 1149 transitions. [2023-11-26 10:45:16,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states and 1149 transitions. [2023-11-26 10:45:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 718. [2023-11-26 10:45:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 654 states have (on average 1.3394495412844036) internal successors, (876), 657 states have internal predecessors, (876), 38 states have call successors, (43), 23 states have call predecessors, (43), 26 states have return successors, (79), 37 states have call predecessors, (79), 36 states have call successors, (79) [2023-11-26 10:45:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 998 transitions. [2023-11-26 10:45:16,780 INFO L240 hiAutomatonCegarLoop]: Abstraction has 718 states and 998 transitions. [2023-11-26 10:45:16,781 INFO L428 stractBuchiCegarLoop]: Abstraction has 718 states and 998 transitions. [2023-11-26 10:45:16,781 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-26 10:45:16,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 718 states and 998 transitions. [2023-11-26 10:45:16,788 INFO L131 ngComponentsAnalysis]: Automaton has 22 accepting balls. 142 [2023-11-26 10:45:16,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:16,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:16,790 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:16,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:16,792 INFO L748 eck$LassoCheckResult]: Stem: 5009#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4942#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 4943#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 4947#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 4948#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 4949#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 4950#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 5014#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 5015#L40-4 havoc main_~i~1#1; 4922#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 4923#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5064#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 4975#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 4976#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5069#L24 assume ~n#1 < 2; 5068#merge_sortFINAL assume true; 5065#merge_sortEXIT >#88#return; 5066#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 5172#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5174#L24 assume ~n#1 < 2; 5173#merge_sortFINAL assume true; 5168#merge_sortEXIT >#90#return; 5169#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 5522#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 4991#L11-4 merge_~i~0#1 := 0; 4995#L17-3 [2023-11-26 10:45:16,792 INFO L750 eck$LassoCheckResult]: Loop: 4995#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 4994#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 4995#L17-3 [2023-11-26 10:45:16,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:16,793 INFO L85 PathProgramCache]: Analyzing trace with hash -578705235, now seen corresponding path program 1 times [2023-11-26 10:45:16,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:16,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641456941] [2023-11-26 10:45:16,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:16,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:45:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:16,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:45:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 10:45:16,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:16,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641456941] [2023-11-26 10:45:16,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641456941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:16,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:16,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:45:16,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928983735] [2023-11-26 10:45:16,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:16,901 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:45:16,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:16,901 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 1 times [2023-11-26 10:45:16,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:16,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023299929] [2023-11-26 10:45:16,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:16,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:16,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:16,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:16,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:16,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:45:16,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:45:16,999 INFO L87 Difference]: Start difference. First operand 718 states and 998 transitions. cyclomatic complexity: 326 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:17,113 INFO L93 Difference]: Finished difference Result 836 states and 1094 transitions. [2023-11-26 10:45:17,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 836 states and 1094 transitions. [2023-11-26 10:45:17,127 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 128 [2023-11-26 10:45:17,141 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 836 states to 836 states and 1094 transitions. [2023-11-26 10:45:17,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 406 [2023-11-26 10:45:17,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 406 [2023-11-26 10:45:17,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 836 states and 1094 transitions. [2023-11-26 10:45:17,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:17,143 INFO L218 hiAutomatonCegarLoop]: Abstraction has 836 states and 1094 transitions. [2023-11-26 10:45:17,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states and 1094 transitions. [2023-11-26 10:45:17,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 614. [2023-11-26 10:45:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 554 states have (on average 1.3104693140794224) internal successors, (726), 558 states have internal predecessors, (726), 35 states have call successors, (40), 22 states have call predecessors, (40), 25 states have return successors, (70), 33 states have call predecessors, (70), 33 states have call successors, (70) [2023-11-26 10:45:17,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 836 transitions. [2023-11-26 10:45:17,171 INFO L240 hiAutomatonCegarLoop]: Abstraction has 614 states and 836 transitions. [2023-11-26 10:45:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:17,172 INFO L428 stractBuchiCegarLoop]: Abstraction has 614 states and 836 transitions. [2023-11-26 10:45:17,173 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-26 10:45:17,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 614 states and 836 transitions. [2023-11-26 10:45:17,178 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 126 [2023-11-26 10:45:17,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:17,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:17,180 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:17,181 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:45:17,182 INFO L748 eck$LassoCheckResult]: Stem: 6601#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6525#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 6526#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 6539#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 6540#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 6541#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 6542#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 6605#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 6607#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 6608#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 6597#L40-4 havoc main_~i~1#1; 6566#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 6639#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 6640#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 6565#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 6567#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 6698#L24 assume ~n#1 < 2; 6697#merge_sortFINAL assume true; 6629#merge_sortEXIT >#88#return; 6522#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 6626#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 6627#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 6503#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 6783#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 6718#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 6513#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 6876#$Ultimate##0 [2023-11-26 10:45:17,183 INFO L750 eck$LassoCheckResult]: Loop: 6876#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 6878#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 6510#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 6876#$Ultimate##0 [2023-11-26 10:45:17,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:17,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1524308723, now seen corresponding path program 3 times [2023-11-26 10:45:17,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:17,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809495274] [2023-11-26 10:45:17,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:17,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:45:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:17,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:17,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:17,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809495274] [2023-11-26 10:45:17,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809495274] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:45:17,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089161376] [2023-11-26 10:45:17,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 10:45:17,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:17,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:17,633 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:45:17,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Waiting until timeout for monitored process [2023-11-26 10:45:17,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-26 10:45:17,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:45:17,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-26 10:45:17,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:17,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:45:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:18,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089161376] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:45:18,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:45:18,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 25 [2023-11-26 10:45:18,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573921944] [2023-11-26 10:45:18,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:45:18,072 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:45:18,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:18,073 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 4 times [2023-11-26 10:45:18,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:18,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026988838] [2023-11-26 10:45:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:18,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:18,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:18,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:18,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:18,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-26 10:45:18,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2023-11-26 10:45:18,270 INFO L87 Difference]: Start difference. First operand 614 states and 836 transitions. cyclomatic complexity: 257 Second operand has 25 states, 20 states have (on average 1.85) internal successors, (37), 20 states have internal predecessors, (37), 7 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:45:19,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:19,152 INFO L93 Difference]: Finished difference Result 1025 states and 1379 transitions. [2023-11-26 10:45:19,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1025 states and 1379 transitions. [2023-11-26 10:45:19,166 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 204 [2023-11-26 10:45:19,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1025 states to 1017 states and 1368 transitions. [2023-11-26 10:45:19,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 547 [2023-11-26 10:45:19,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 564 [2023-11-26 10:45:19,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1017 states and 1368 transitions. [2023-11-26 10:45:19,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:19,182 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1017 states and 1368 transitions. [2023-11-26 10:45:19,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states and 1368 transitions. [2023-11-26 10:45:19,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 887. [2023-11-26 10:45:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 795 states have (on average 1.3018867924528301) internal successors, (1035), 801 states have internal predecessors, (1035), 53 states have call successors, (61), 37 states have call predecessors, (61), 39 states have return successors, (93), 48 states have call predecessors, (93), 49 states have call successors, (93) [2023-11-26 10:45:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1189 transitions. [2023-11-26 10:45:19,214 INFO L240 hiAutomatonCegarLoop]: Abstraction has 887 states and 1189 transitions. [2023-11-26 10:45:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-26 10:45:19,216 INFO L428 stractBuchiCegarLoop]: Abstraction has 887 states and 1189 transitions. [2023-11-26 10:45:19,216 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-26 10:45:19,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 887 states and 1189 transitions. [2023-11-26 10:45:19,223 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 196 [2023-11-26 10:45:19,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:19,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:19,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:19,224 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:45:19,225 INFO L748 eck$LassoCheckResult]: Stem: 8459#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8392#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 8393#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 8401#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 8402#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 8487#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 8485#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 8486#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 8489#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 8483#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 8484#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 8403#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 8404#L40-4 havoc main_~i~1#1; 8386#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 8481#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 8448#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 8424#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 8425#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 8431#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 8493#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 8648#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 8496#L24 assume ~n#1 < 2; 8497#merge_sortFINAL assume true; 8492#merge_sortEXIT >#88#return; 8442#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 8490#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 8474#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 8397#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 8569#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 8819#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 8638#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 8634#$Ultimate##0 [2023-11-26 10:45:19,225 INFO L750 eck$LassoCheckResult]: Loop: 8634#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 8639#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 8635#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 8634#$Ultimate##0 [2023-11-26 10:45:19,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1652352750, now seen corresponding path program 4 times [2023-11-26 10:45:19,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:19,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807105834] [2023-11-26 10:45:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:19,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:45:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:45:19,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:19,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807105834] [2023-11-26 10:45:19,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807105834] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:45:19,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040251615] [2023-11-26 10:45:19,781 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-26 10:45:19,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:19,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:19,782 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:45:19,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Waiting until timeout for monitored process [2023-11-26 10:45:19,890 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-26 10:45:19,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:45:19,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 10:45:19,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-26 10:45:20,015 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:45:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-26 10:45:20,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040251615] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:45:20,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:45:20,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 26 [2023-11-26 10:45:20,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066850493] [2023-11-26 10:45:20,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:45:20,242 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:45:20,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:20,242 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 5 times [2023-11-26 10:45:20,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:20,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526971081] [2023-11-26 10:45:20,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:20,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:20,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:20,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:20,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:20,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-26 10:45:20,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2023-11-26 10:45:20,474 INFO L87 Difference]: Start difference. First operand 887 states and 1189 transitions. cyclomatic complexity: 348 Second operand has 26 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 20 states have internal predecessors, (41), 10 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:45:21,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:21,476 INFO L93 Difference]: Finished difference Result 827 states and 1085 transitions. [2023-11-26 10:45:21,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 827 states and 1085 transitions. [2023-11-26 10:45:21,487 INFO L131 ngComponentsAnalysis]: Automaton has 36 accepting balls. 344 [2023-11-26 10:45:21,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 827 states to 810 states and 1068 transitions. [2023-11-26 10:45:21,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 663 [2023-11-26 10:45:21,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 672 [2023-11-26 10:45:21,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 810 states and 1068 transitions. [2023-11-26 10:45:21,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:21,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 810 states and 1068 transitions. [2023-11-26 10:45:21,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states and 1068 transitions. [2023-11-26 10:45:21,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 571. [2023-11-26 10:45:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 505 states have (on average 1.2772277227722773) internal successors, (645), 507 states have internal predecessors, (645), 39 states have call successors, (43), 33 states have call predecessors, (43), 27 states have return successors, (59), 30 states have call predecessors, (59), 34 states have call successors, (59) [2023-11-26 10:45:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 747 transitions. [2023-11-26 10:45:21,520 INFO L240 hiAutomatonCegarLoop]: Abstraction has 571 states and 747 transitions. [2023-11-26 10:45:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-26 10:45:21,521 INFO L428 stractBuchiCegarLoop]: Abstraction has 571 states and 747 transitions. [2023-11-26 10:45:21,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-26 10:45:21,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 571 states and 747 transitions. [2023-11-26 10:45:21,526 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 166 [2023-11-26 10:45:21,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:21,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:21,527 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:21,528 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:21,528 INFO L748 eck$LassoCheckResult]: Stem: 10429#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10366#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 10367#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 10372#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 10373#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 10374#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 10375#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 10437#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 10438#L40-4 havoc main_~i~1#1; 10349#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 10350#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 10506#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 10507#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 10514#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 10513#L24 assume ~n#1 < 2; 10508#merge_sortFINAL assume true; 10509#merge_sortEXIT >#88#return; 10456#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 10457#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 10551#L24 assume ~n#1 < 2; 10550#merge_sortFINAL assume true; 10455#merge_sortEXIT >#90#return; 10454#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 10452#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 10453#L12 assume !(merge_~j~0#1 == merge_~n#1); 10467#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 10398#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 10399#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 10914#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 10466#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 10915#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 10670#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 10423#L11-4 merge_~i~0#1 := 0; 10413#L17-3 [2023-11-26 10:45:21,528 INFO L750 eck$LassoCheckResult]: Loop: 10413#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 10412#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 10413#L17-3 [2023-11-26 10:45:21,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:21,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1563592709, now seen corresponding path program 1 times [2023-11-26 10:45:21,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:21,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177353207] [2023-11-26 10:45:21,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:45:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:45:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 10:45:21,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:21,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177353207] [2023-11-26 10:45:21,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177353207] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:45:21,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142384324] [2023-11-26 10:45:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:21,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:21,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:21,640 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:45:21,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Waiting until timeout for monitored process [2023-11-26 10:45:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:21,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:45:21,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 10:45:21,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:45:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 10:45:21,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142384324] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:45:21,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:45:21,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2023-11-26 10:45:21,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043324691] [2023-11-26 10:45:21,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:45:21,851 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:45:21,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:21,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 2 times [2023-11-26 10:45:21,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:21,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868597314] [2023-11-26 10:45:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:21,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:21,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:21,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:21,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:21,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 10:45:21,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:45:21,943 INFO L87 Difference]: Start difference. First operand 571 states and 747 transitions. cyclomatic complexity: 204 Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:22,074 INFO L93 Difference]: Finished difference Result 1009 states and 1263 transitions. [2023-11-26 10:45:22,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1009 states and 1263 transitions. [2023-11-26 10:45:22,086 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 166 [2023-11-26 10:45:22,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1009 states to 972 states and 1221 transitions. [2023-11-26 10:45:22,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 671 [2023-11-26 10:45:22,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 671 [2023-11-26 10:45:22,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 972 states and 1221 transitions. [2023-11-26 10:45:22,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:22,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 972 states and 1221 transitions. [2023-11-26 10:45:22,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states and 1221 transitions. [2023-11-26 10:45:22,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 655. [2023-11-26 10:45:22,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 589 states have (on average 1.2393887945670627) internal successors, (730), 591 states have internal predecessors, (730), 39 states have call successors, (43), 33 states have call predecessors, (43), 27 states have return successors, (59), 30 states have call predecessors, (59), 34 states have call successors, (59) [2023-11-26 10:45:22,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 832 transitions. [2023-11-26 10:45:22,121 INFO L240 hiAutomatonCegarLoop]: Abstraction has 655 states and 832 transitions. [2023-11-26 10:45:22,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:45:22,122 INFO L428 stractBuchiCegarLoop]: Abstraction has 655 states and 832 transitions. [2023-11-26 10:45:22,122 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-26 10:45:22,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 655 states and 832 transitions. [2023-11-26 10:45:22,128 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 166 [2023-11-26 10:45:22,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:22,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:22,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:22,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:22,129 INFO L748 eck$LassoCheckResult]: Stem: 12225#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 12173#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 12176#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 12177#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 12178#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 12179#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 12237#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 12238#L40-4 havoc main_~i~1#1; 12149#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 12150#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 12525#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 12522#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 12523#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 12526#L24 assume ~n#1 < 2; 12524#merge_sortFINAL assume true; 12521#merge_sortEXIT >#88#return; 12514#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 12515#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 12543#L24 assume ~n#1 < 2; 12542#merge_sortFINAL assume true; 12541#merge_sortEXIT >#90#return; 12510#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 12508#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 12509#L12 assume !(merge_~j~0#1 == merge_~n#1); 12262#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 12479#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 12480#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 12556#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 12555#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 12364#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 12362#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 12259#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 12260#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 12488#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 12251#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 12250#L11-4 merge_~i~0#1 := 0; 12212#L17-3 [2023-11-26 10:45:22,130 INFO L750 eck$LassoCheckResult]: Loop: 12212#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 12215#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 12212#L17-3 [2023-11-26 10:45:22,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash -412481570, now seen corresponding path program 1 times [2023-11-26 10:45:22,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:22,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966136612] [2023-11-26 10:45:22,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:22,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:22,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:22,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:22,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:22,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 3 times [2023-11-26 10:45:22,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:22,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656965723] [2023-11-26 10:45:22,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:22,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:22,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:22,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:22,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:22,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1257795936, now seen corresponding path program 1 times [2023-11-26 10:45:22,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:22,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790196700] [2023-11-26 10:45:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:22,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:22,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:25,873 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:45:25,873 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:45:25,873 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:45:25,873 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:45:25,874 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:45:25,874 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:25,874 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:45:25,874 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:45:25,874 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration15_Lasso [2023-11-26 10:45:25,874 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:45:25,874 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:45:25,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:25,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:26,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:28,162 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:45:28,163 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:45:28,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,165 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2023-11-26 10:45:28,167 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 [2023-11-26 10:45:28,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:28,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:28,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2023-11-26 10:45:28,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,186 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2023-11-26 10:45:28,188 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 [2023-11-26 10:45:28,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2023-11-26 10:45:28,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,204 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2023-11-26 10:45:28,207 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 [2023-11-26 10:45:28,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2023-11-26 10:45:28,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,223 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2023-11-26 10:45:28,226 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 [2023-11-26 10:45:28,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2023-11-26 10:45:28,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,242 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2023-11-26 10:45:28,245 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 [2023-11-26 10:45:28,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2023-11-26 10:45:28,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,261 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2023-11-26 10:45:28,263 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 [2023-11-26 10:45:28,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,279 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2023-11-26 10:45:28,282 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 [2023-11-26 10:45:28,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,297 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2023-11-26 10:45:28,299 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 [2023-11-26 10:45:28,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,315 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2023-11-26 10:45:28,317 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 [2023-11-26 10:45:28,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,333 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2023-11-26 10:45:28,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:28,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,350 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2023-11-26 10:45:28,353 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 [2023-11-26 10:45:28,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:28,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:28,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,407 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2023-11-26 10:45:28,415 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 [2023-11-26 10:45:28,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:28,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:28,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,454 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:28,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2023-11-26 10:45:28,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,498 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,502 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 [2023-11-26 10:45:28,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:28,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:28,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:28,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2023-11-26 10:45:28,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,532 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:45:28,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2023-11-26 10:45:28,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:28,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:28,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:28,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,576 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,582 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 [2023-11-26 10:45:28,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2023-11-26 10:45:28,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:28,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:28,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:28,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:28,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:28,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:28,653 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:45:28,744 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-26 10:45:28,744 INFO L444 ModelExtractionUtils]: 36 out of 61 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-26 10:45:28,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:28,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:28,752 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:28,753 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:45:28,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2023-11-26 10:45:28,787 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 10:45:28,787 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:45:28,787 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~i~0#1, merge_sort_merge_~a#1.offset) = -4*merge_sort_merge_~i~0#1 - 1*merge_sort_merge_~a#1.offset + 36893488147419103218 Supporting invariants [18446744073709551612*merge_sort_merge_~m#1 - 1*v_rep(select #length merge_sort_merge_~a#1.base)_3 >= 0] [2023-11-26 10:45:28,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:28,859 INFO L156 tatePredicateManager]: 10 out of 13 supporting invariants were superfluous and have been removed [2023-11-26 10:45:28,867 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~a!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-26 10:45:28,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:28,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-26 10:45:28,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:29,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:29,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-26 10:45:29,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-26 10:45:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 10:45:29,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-26 10:45:29,785 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-26 10:45:29,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-26 10:45:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:30,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:45:30,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:30,130 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2023-11-26 10:45:30,131 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 655 states and 832 transitions. cyclomatic complexity: 205 Second operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:31,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 655 states and 832 transitions. cyclomatic complexity: 205. Second operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Result 753 states and 958 transitions. Complement of second has 28 states. [2023-11-26 10:45:31,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 17 stem states 1 non-accepting loop states 2 accepting loop states [2023-11-26 10:45:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:45:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 78 transitions. [2023-11-26 10:45:31,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 78 transitions. Stem has 37 letters. Loop has 2 letters. [2023-11-26 10:45:31,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:31,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 78 transitions. Stem has 39 letters. Loop has 2 letters. [2023-11-26 10:45:31,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:31,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 78 transitions. Stem has 37 letters. Loop has 4 letters. [2023-11-26 10:45:31,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:31,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 753 states and 958 transitions. [2023-11-26 10:45:31,838 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 166 [2023-11-26 10:45:31,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 753 states to 656 states and 836 transitions. [2023-11-26 10:45:31,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 509 [2023-11-26 10:45:31,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 518 [2023-11-26 10:45:31,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 656 states and 836 transitions. [2023-11-26 10:45:31,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:31,846 INFO L218 hiAutomatonCegarLoop]: Abstraction has 656 states and 836 transitions. [2023-11-26 10:45:31,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states and 836 transitions. [2023-11-26 10:45:31,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 641. [2023-11-26 10:45:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 580 states have (on average 1.2413793103448276) internal successors, (720), 581 states have internal predecessors, (720), 36 states have call successors, (40), 30 states have call predecessors, (40), 25 states have return successors, (57), 29 states have call predecessors, (57), 32 states have call successors, (57) [2023-11-26 10:45:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 817 transitions. [2023-11-26 10:45:31,865 INFO L240 hiAutomatonCegarLoop]: Abstraction has 641 states and 817 transitions. [2023-11-26 10:45:31,865 INFO L428 stractBuchiCegarLoop]: Abstraction has 641 states and 817 transitions. [2023-11-26 10:45:31,865 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-26 10:45:31,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 641 states and 817 transitions. [2023-11-26 10:45:31,870 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 166 [2023-11-26 10:45:31,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:31,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:31,872 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:31,872 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:31,872 INFO L748 eck$LassoCheckResult]: Stem: 13897#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13838#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 13839#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 13841#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 13842#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 13843#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 13844#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 13913#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 13911#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 13912#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 13892#L40-4 havoc main_~i~1#1; 13868#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 13974#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 13971#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 13964#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 13967#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 13973#L24 assume ~n#1 < 2; 13970#merge_sortFINAL assume true; 13963#merge_sortEXIT >#88#return; 13889#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 13981#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 13980#L24 assume ~n#1 < 2; 13978#merge_sortFINAL assume true; 13979#merge_sortEXIT >#90#return; 13923#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 13921#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 13922#L12 assume !(merge_~j~0#1 == merge_~n#1); 13937#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 13948#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 13949#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 13957#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 13958#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 13950#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 13951#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 13935#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 13936#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 14304#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 14196#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 14195#L11-4 merge_~i~0#1 := 0; 13882#L17-3 [2023-11-26 10:45:31,872 INFO L750 eck$LassoCheckResult]: Loop: 13882#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 13883#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 13882#L17-3 [2023-11-26 10:45:31,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:31,873 INFO L85 PathProgramCache]: Analyzing trace with hash 11886784, now seen corresponding path program 2 times [2023-11-26 10:45:31,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:31,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851739500] [2023-11-26 10:45:31,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:31,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:45:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:45:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 10:45:32,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:32,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851739500] [2023-11-26 10:45:32,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851739500] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:45:32,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811691505] [2023-11-26 10:45:32,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:45:32,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:32,114 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:45:32,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5336725-04a0-42b6-801f-9999fdf01eaa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Waiting until timeout for monitored process [2023-11-26 10:45:32,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:45:32,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:45:32,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 10:45:32,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 10:45:32,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:45:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 10:45:32,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811691505] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:45:32,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:45:32,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 16 [2023-11-26 10:45:32,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466973299] [2023-11-26 10:45:32,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:45:32,503 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:45:32,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 4 times [2023-11-26 10:45:32,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:32,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493060036] [2023-11-26 10:45:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:32,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:32,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:32,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:32,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:32,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 10:45:32,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-26 10:45:32,592 INFO L87 Difference]: Start difference. First operand 641 states and 817 transitions. cyclomatic complexity: 204 Second operand has 16 states, 14 states have (on average 2.5) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-26 10:45:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:32,952 INFO L93 Difference]: Finished difference Result 758 states and 951 transitions. [2023-11-26 10:45:32,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 758 states and 951 transitions. [2023-11-26 10:45:32,959 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 254 [2023-11-26 10:45:32,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 758 states to 732 states and 924 transitions. [2023-11-26 10:45:32,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 630 [2023-11-26 10:45:32,967 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 630 [2023-11-26 10:45:32,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 732 states and 924 transitions. [2023-11-26 10:45:32,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:45:32,968 INFO L218 hiAutomatonCegarLoop]: Abstraction has 732 states and 924 transitions. [2023-11-26 10:45:32,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states and 924 transitions. [2023-11-26 10:45:32,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 533. [2023-11-26 10:45:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 478 states have (on average 1.2301255230125523) internal successors, (588), 480 states have internal predecessors, (588), 35 states have call successors, (36), 25 states have call predecessors, (36), 20 states have return successors, (56), 27 states have call predecessors, (56), 31 states have call successors, (56) [2023-11-26 10:45:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 680 transitions. [2023-11-26 10:45:32,989 INFO L240 hiAutomatonCegarLoop]: Abstraction has 533 states and 680 transitions. [2023-11-26 10:45:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-26 10:45:32,991 INFO L428 stractBuchiCegarLoop]: Abstraction has 533 states and 680 transitions. [2023-11-26 10:45:32,991 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2023-11-26 10:45:32,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 680 transitions. [2023-11-26 10:45:32,996 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 164 [2023-11-26 10:45:32,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:32,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:32,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:32,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:32,997 INFO L748 eck$LassoCheckResult]: Stem: 15556#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 15506#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 15507#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 15509#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 15510#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 15511#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 15512#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 15513#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 15566#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 15567#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet21#1;call write~int#0(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 15569#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 15562#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 15552#L40-4 havoc main_~i~1#1; 15496#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 15595#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 15594#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 15576#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 15593#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 15591#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 15585#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 15589#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 15592#L24 assume ~n#1 < 2; 15590#merge_sortFINAL assume true; 15583#merge_sortEXIT >#88#return; 15575#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 15577#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 15616#L24 assume ~n#1 < 2; 15615#merge_sortFINAL assume true; 15613#merge_sortEXIT >#90#return; 15614#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 15676#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 15675#L12 assume !(merge_~j~0#1 == merge_~n#1); 15649#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 15673#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 15672#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 15669#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 15667#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 15664#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 15661#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 15647#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 15646#L12-2 call write~int#1(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 15645#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 15644#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 15643#L11-4 merge_~i~0#1 := 0; 15641#L17-3 [2023-11-26 10:45:32,998 INFO L750 eck$LassoCheckResult]: Loop: 15641#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 15642#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 15641#L17-3 [2023-11-26 10:45:32,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:32,998 INFO L85 PathProgramCache]: Analyzing trace with hash 2047485093, now seen corresponding path program 3 times [2023-11-26 10:45:32,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:32,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359038071] [2023-11-26 10:45:32,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:32,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:33,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:33,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:33,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:33,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 5 times [2023-11-26 10:45:33,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:33,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383617654] [2023-11-26 10:45:33,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:33,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:33,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:33,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:33,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:33,094 INFO L85 PathProgramCache]: Analyzing trace with hash 538154407, now seen corresponding path program 2 times [2023-11-26 10:45:33,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:33,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439928330] [2023-11-26 10:45:33,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:33,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:33,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:33,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace