./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.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_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8dd5f6931770ddb4b9cf8eb898fe5864af65999ea8d319a841184b1f7adb29d2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:37:17,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:37:17,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-28 23:37:17,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:37:17,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:37:17,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:37:17,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:37:17,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:37:17,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:37:17,718 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:37:17,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:37:17,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:37:17,720 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:37:17,721 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-28 23:37:17,721 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-28 23:37:17,722 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-28 23:37:17,722 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-28 23:37:17,723 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-28 23:37:17,723 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-28 23:37:17,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:37:17,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-28 23:37:17,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:37:17,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:37:17,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-28 23:37:17,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-28 23:37:17,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-28 23:37:17,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:37:17,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:37:17,728 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-28 23:37:17,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:37:17,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:37:17,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:37:17,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:37:17,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:37:17,731 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-28 23:37:17,731 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_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd5f6931770ddb4b9cf8eb898fe5864af65999ea8d319a841184b1f7adb29d2 [2023-11-28 23:37:17,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:37:17,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:37:17,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:37:17,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:37:17,970 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:37:17,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2023-11-28 23:37:20,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:37:20,941 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:37:20,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2023-11-28 23:37:20,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/data/5b5522825/db71492b9165487fb1b4cb9c7bb40c8c/FLAG406e1dcd0 [2023-11-28 23:37:20,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/data/5b5522825/db71492b9165487fb1b4cb9c7bb40c8c [2023-11-28 23:37:20,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:37:20,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:37:20,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:37:20,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:37:20,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:37:20,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:37:20" (1/1) ... [2023-11-28 23:37:20,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19367fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:20, skipping insertion in model container [2023-11-28 23:37:20,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:37:20" (1/1) ... [2023-11-28 23:37:21,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:37:21,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:37:21,305 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:37:21,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:37:21,377 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:37:21,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21 WrapperNode [2023-11-28 23:37:21,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:37:21,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:37:21,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:37:21,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:37:21,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,420 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-11-28 23:37:21,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:37:21,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:37:21,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:37:21,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:37:21,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,448 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2023-11-28 23:37:21,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:37:21,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:37:21,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:37:21,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:37:21,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (1/1) ... [2023-11-28 23:37:21,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:21,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:21,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:21,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-28 23:37:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 23:37:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 23:37:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 23:37:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 23:37:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:37:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:37:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:37:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:37:21,623 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:37:21,624 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:37:21,776 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:37:21,785 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:37:21,785 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-28 23:37:21,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:21 BoogieIcfgContainer [2023-11-28 23:37:21,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:37:21,788 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-28 23:37:21,788 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-28 23:37:21,792 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-28 23:37:21,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 23:37:21,793 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:37:20" (1/3) ... [2023-11-28 23:37:21,794 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4134b45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:37:21, skipping insertion in model container [2023-11-28 23:37:21,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 23:37:21,794 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:21" (2/3) ... [2023-11-28 23:37:21,795 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4134b45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:37:21, skipping insertion in model container [2023-11-28 23:37:21,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 23:37:21,795 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:21" (3/3) ... [2023-11-28 23:37:21,796 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn_mixed_alloca.i [2023-11-28 23:37:21,881 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-28 23:37:21,881 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-28 23:37:21,881 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-28 23:37:21,881 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-28 23:37:21,881 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-28 23:37:21,881 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-28 23:37:21,881 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-28 23:37:21,882 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-28 23:37:21,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:21,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-28 23:37:21,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:37:21,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:37:21,911 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-28 23:37:21,911 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-28 23:37:21,911 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-28 23:37:21,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:21,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-28 23:37:21,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:37:21,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:37:21,914 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-28 23:37:21,914 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-28 23:37:21,922 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 3#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 8#L369-4true [2023-11-28 23:37:21,922 INFO L750 eck$LassoCheckResult]: Loop: 8#L369-4true call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 5#L372-5true assume !true; 4#L372-6true call cstrspn_#t~mem212#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 19#L374true assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 9#L369-3true cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, 1 + cstrspn_#t~post205#1.offset;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 8#L369-4true [2023-11-28 23:37:21,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:21,928 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-28 23:37:21,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:21,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569483939] [2023-11-28 23:37:21,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:21,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:22,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:22,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:22,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:22,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2023-11-28 23:37:22,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:22,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057922489] [2023-11-28 23:37:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:22,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:37:22,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:37:22,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057922489] [2023-11-28 23:37:22,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057922489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:37:22,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:37:22,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:37:22,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731811841] [2023-11-28 23:37:22,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:37:22,168 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-28 23:37:22,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:37:22,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:37:22,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:37:22,197 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:22,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:37:22,204 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-28 23:37:22,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-28 23:37:22,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-28 23:37:22,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2023-11-28 23:37:22,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-28 23:37:22,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-28 23:37:22,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2023-11-28 23:37:22,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:37:22,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-28 23:37:22,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2023-11-28 23:37:22,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-28 23:37:22,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-11-28 23:37:22,240 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-28 23:37:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:37:22,244 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-28 23:37:22,245 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-28 23:37:22,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2023-11-28 23:37:22,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-28 23:37:22,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:37:22,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:37:22,246 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-28 23:37:22,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:37:22,247 INFO L748 eck$LassoCheckResult]: Stem: 55#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 51#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 44#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 45#L369-4 [2023-11-28 23:37:22,247 INFO L750 eck$LassoCheckResult]: Loop: 45#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 52#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 48#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 49#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 54#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 46#L372-6 call cstrspn_#t~mem212#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 47#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 53#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, 1 + cstrspn_#t~post205#1.offset;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 45#L369-4 [2023-11-28 23:37:22,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:22,248 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2023-11-28 23:37:22,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:22,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477294949] [2023-11-28 23:37:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:22,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:22,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:22,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:22,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:22,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2023-11-28 23:37:22,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217733603] [2023-11-28 23:37:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:22,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:22,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:22,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:22,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:22,335 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2023-11-28 23:37:22,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:22,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707952416] [2023-11-28 23:37:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:22,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:22,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:22,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:23,475 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 23:37:23,475 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 23:37:23,475 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 23:37:23,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 23:37:23,476 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 23:37:23,476 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:23,476 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 23:37:23,476 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 23:37:23,476 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration2_Lasso [2023-11-28 23:37:23,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 23:37:23,476 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 23:37:23,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:23,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:24,999 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 23:37:25,003 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 23:37:25,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,008 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-28 23:37:25,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:25,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-28 23:37:25,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-28 23:37:25,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-28 23:37:25,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:25,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:25,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-28 23:37:25,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-28 23:37:25,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:25,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:25,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-28 23:37:25,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-28 23:37:25,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:25,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:25,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-28 23:37:25,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,169 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-28 23:37:25,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-28 23:37:25,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,193 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-28 23:37:25,196 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 [2023-11-28 23:37:25,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-28 23:37:25,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,216 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-28 23:37:25,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-28 23:37:25,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,239 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-28 23:37:25,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:25,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:25,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:25,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,270 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-28 23:37:25,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-28 23:37:25,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,296 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-28 23:37:25,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-28 23:37:25,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,318 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-28 23:37:25,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:25,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:25,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-28 23:37:25,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,345 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-28 23:37:25,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-28 23:37:25,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,369 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-28 23:37:25,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:25,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,392 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-28 23:37:25,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-28 23:37:25,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,419 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-28 23:37:25,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-28 23:37:25,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,437 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-28 23:37:25,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-28 23:37:25,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,455 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-28 23:37:25,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-28 23:37:25,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,474 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-28 23:37:25,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-28 23:37:25,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,494 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-28 23:37:25,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:25,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:25,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:25,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-28 23:37:25,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,515 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-28 23:37:25,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:25,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:25,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:25,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:25,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,538 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-28 23:37:25,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:25,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:25,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:25,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:25,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:25,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:25,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:25,583 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 23:37:25,616 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-28 23:37:25,616 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-28 23:37:25,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:25,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:25,645 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:25,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-28 23:37:25,647 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 23:37:25,660 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-28 23:37:25,661 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 23:37:25,661 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_cstrspn_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2023-11-28 23:37:25,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-28 23:37:25,715 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-28 23:37:25,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated [2023-11-28 23:37:25,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:25,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 23:37:25,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:25,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 23:37:25,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:37:25,886 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 [2023-11-28 23:37:25,887 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:25,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:25,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2023-11-28 23:37:25,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 23:37:25,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2023-11-28 23:37:25,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-28 23:37:25,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:25,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2023-11-28 23:37:25,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:25,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2023-11-28 23:37:25,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:25,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2023-11-28 23:37:25,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 23:37:25,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2023-11-28 23:37:25,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-28 23:37:25,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-28 23:37:25,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2023-11-28 23:37:25,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 23:37:25,982 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-28 23:37:25,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2023-11-28 23:37:25,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-28 23:37:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2023-11-28 23:37:25,984 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-28 23:37:25,984 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-28 23:37:25,984 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-28 23:37:25,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2023-11-28 23:37:25,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 23:37:25,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:37:25,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:37:25,986 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:37:25,986 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-28 23:37:25,986 INFO L748 eck$LassoCheckResult]: Stem: 209#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 201#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 202#L382 assume !(main_~length1~0#1 < 1); 210#L382-2 assume !(main_~length2~0#1 < 1); 193#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 194#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 204#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 197#L372-5 [2023-11-28 23:37:25,986 INFO L750 eck$LassoCheckResult]: Loop: 197#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 198#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 207#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 197#L372-5 [2023-11-28 23:37:25,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:25,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2023-11-28 23:37:25,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:25,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652144284] [2023-11-28 23:37:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:25,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:26,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:26,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:26,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:26,027 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2023-11-28 23:37:26,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:26,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368597976] [2023-11-28 23:37:26,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:26,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:26,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:26,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:26,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:26,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2023-11-28 23:37:26,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:26,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607340158] [2023-11-28 23:37:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:26,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:26,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:26,984 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 23:37:26,984 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 23:37:26,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 23:37:26,984 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 23:37:26,984 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 23:37:26,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:26,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 23:37:26,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 23:37:26,984 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration3_Lasso [2023-11-28 23:37:26,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 23:37:26,985 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 23:37:26,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:26,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:26,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:26,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:26,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:27,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:28,301 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 23:37:28,302 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 23:37:28,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,306 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-28 23:37:28,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:28,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:28,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:28,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-28 23:37:28,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,328 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-28 23:37:28,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:28,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:28,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:28,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-28 23:37:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,350 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-28 23:37:28,353 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 [2023-11-28 23:37:28,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:28,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:28,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:28,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,375 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-28 23:37:28,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:28,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:28,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:28,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:28,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,397 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-28 23:37:28,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:28,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:28,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:28,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:28,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,419 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-28 23:37:28,422 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 [2023-11-28 23:37:28,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:28,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:28,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-28 23:37:28,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,445 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-28 23:37:28,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:28,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:28,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-28 23:37:28,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,492 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-28 23:37:28,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:28,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:28,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:28,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,517 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-28 23:37:28,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,532 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-28 23:37:28,532 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-11-28 23:37:28,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,591 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2023-11-28 23:37:28,591 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-11-28 23:37:28,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-28 23:37:28,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,763 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-28 23:37:28,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:28,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:28,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:28,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:28,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,790 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-28 23:37:28,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:28,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:28,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:28,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:28,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:28,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:28,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:28,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 23:37:28,866 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-28 23:37:28,866 INFO L444 ModelExtractionUtils]: 14 out of 28 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-28 23:37:28,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:28,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:28,867 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:28,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-28 23:37:28,873 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 23:37:28,884 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-28 23:37:28,884 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 23:37:28,884 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2 Supporting invariants [] [2023-11-28 23:37:28,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:28,946 INFO L156 tatePredicateManager]: 13 out of 15 supporting invariants were superfluous and have been removed [2023-11-28 23:37:28,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc216!base] could not be translated [2023-11-28 23:37:28,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:28,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 23:37:28,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:29,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-28 23:37:29,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:37:29,085 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 [2023-11-28 23:37:29,085 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:29,151 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2023-11-28 23:37:29,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 23:37:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-28 23:37:29,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-28 23:37:29,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:29,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-28 23:37:29,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:29,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-28 23:37:29,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:29,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2023-11-28 23:37:29,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 23:37:29,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2023-11-28 23:37:29,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-28 23:37:29,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-28 23:37:29,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2023-11-28 23:37:29,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 23:37:29,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-11-28 23:37:29,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2023-11-28 23:37:29,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2023-11-28 23:37:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:29,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2023-11-28 23:37:29,161 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-28 23:37:29,161 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-28 23:37:29,162 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-28 23:37:29,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2023-11-28 23:37:29,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 23:37:29,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:37:29,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:37:29,163 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:37:29,163 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-28 23:37:29,163 INFO L748 eck$LassoCheckResult]: Stem: 390#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 380#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 381#L382 assume !(main_~length1~0#1 < 1); 391#L382-2 assume !(main_~length2~0#1 < 1); 372#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 373#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 382#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 392#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 388#L372-1 assume !cstrspn_#t~short210#1; 389#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 374#L372-6 call cstrspn_#t~mem212#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 375#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 386#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, 1 + cstrspn_#t~post205#1.offset;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 383#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 385#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 376#L372-5 [2023-11-28 23:37:29,164 INFO L750 eck$LassoCheckResult]: Loop: 376#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 377#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 387#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 376#L372-5 [2023-11-28 23:37:29,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:29,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2023-11-28 23:37:29,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:29,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30088412] [2023-11-28 23:37:29,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:29,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:37:29,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:37:29,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30088412] [2023-11-28 23:37:29,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30088412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:37:29,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:37:29,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 23:37:29,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263005158] [2023-11-28 23:37:29,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:37:29,292 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 23:37:29,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:29,293 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2023-11-28 23:37:29,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:29,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586529681] [2023-11-28 23:37:29,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:29,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:29,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:29,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:29,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:37:29,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:37:29,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:37:29,419 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:29,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:37:29,495 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2023-11-28 23:37:29,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2023-11-28 23:37:29,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-28 23:37:29,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2023-11-28 23:37:29,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-28 23:37:29,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-28 23:37:29,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2023-11-28 23:37:29,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 23:37:29,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2023-11-28 23:37:29,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2023-11-28 23:37:29,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2023-11-28 23:37:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:29,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2023-11-28 23:37:29,501 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2023-11-28 23:37:29,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 23:37:29,502 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2023-11-28 23:37:29,502 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-28 23:37:29,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2023-11-28 23:37:29,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 23:37:29,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:37:29,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:37:29,504 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:37:29,504 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-28 23:37:29,504 INFO L748 eck$LassoCheckResult]: Stem: 462#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 452#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 453#L382 assume !(main_~length1~0#1 < 1); 463#L382-2 assume !(main_~length2~0#1 < 1); 444#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 445#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 454#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 467#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 466#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 465#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 446#L372-6 call cstrspn_#t~mem212#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 447#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 458#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, 1 + cstrspn_#t~post205#1.offset;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 455#L369-4 call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 457#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 448#L372-5 [2023-11-28 23:37:29,504 INFO L750 eck$LassoCheckResult]: Loop: 448#L372-5 call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 449#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 459#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 448#L372-5 [2023-11-28 23:37:29,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:29,505 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2023-11-28 23:37:29,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:29,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771246212] [2023-11-28 23:37:29,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:29,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:29,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:29,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:29,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:29,555 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2023-11-28 23:37:29,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:29,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059407986] [2023-11-28 23:37:29,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:29,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:29,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:29,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:29,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:29,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2023-11-28 23:37:29,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:37:29,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750612655] [2023-11-28 23:37:29,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:37:29,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:37:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:29,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:37:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:37:29,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:37:29,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-28 23:37:30,814 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 23:37:30,814 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 23:37:30,814 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 23:37:30,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 23:37:30,814 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 23:37:30,814 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:30,814 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 23:37:30,814 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 23:37:30,814 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration5_Lasso [2023-11-28 23:37:30,814 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 23:37:30,814 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 23:37:30,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:30,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:30,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:30,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:30,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:30,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:31,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:37:32,653 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 23:37:32,654 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 23:37:32,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,655 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-28 23:37:32,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:32,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:32,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:32,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-28 23:37:32,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,673 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-28 23:37:32,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:32,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:32,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:32,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-28 23:37:32,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,691 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-28 23:37:32,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:32,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:32,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:32,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,712 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-28 23:37:32,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:32,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:32,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-28 23:37:32,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,737 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-28 23:37:32,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:37:32,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:37:32,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:37:32,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-28 23:37:32,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,761 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-28 23:37:32,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:32,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:32,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:32,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,781 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-28 23:37:32,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:32,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:32,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-28 23:37:32,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,801 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-28 23:37:32,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:32,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:32,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:32,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,822 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-28 23:37:32,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:32,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:32,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-28 23:37:32,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,847 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-28 23:37:32,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:32,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:32,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:32,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,884 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-28 23:37:32,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:32,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:32,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:32,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:32,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:32,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-28 23:37:32,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:32,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:32,912 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:32,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-28 23:37:32,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:32,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:32,924 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-28 23:37:32,924 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-11-28 23:37:32,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:32,992 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2023-11-28 23:37:32,992 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-11-28 23:37:33,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:37:33,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-28 23:37:33,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:33,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:33,166 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:33,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-28 23:37:33,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:37:33,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:37:33,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:37:33,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:37:33,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:37:33,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:37:33,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:37:33,201 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 23:37:33,246 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-28 23:37:33,246 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-28 23:37:33,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:37:33,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:37:33,247 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:37:33,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-28 23:37:33,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 23:37:33,263 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-28 23:37:33,263 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 23:37:33,263 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrspn_~s2#1.base)_1, ULTIMATE.start_cstrspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrspn_~s2#1.base)_1 + 2*ULTIMATE.start_cstrspn_~s~0#1.offset Supporting invariants [] [2023-11-28 23:37:33,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-28 23:37:33,342 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2023-11-28 23:37:33,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~s2!base] could not be translated [2023-11-28 23:37:33,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-28 23:37:33,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:33,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:37:33,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:33,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 23:37:33,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:37:33,476 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 [2023-11-28 23:37:33,476 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:33,525 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 5 states. [2023-11-28 23:37:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 23:37:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2023-11-28 23:37:33,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-28 23:37:33,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:33,527 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-28 23:37:33,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:33,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:37:33,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:33,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 23:37:33,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:37:33,644 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-28 23:37:33,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:33,687 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 5 states. [2023-11-28 23:37:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 23:37:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2023-11-28 23:37:33,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-28 23:37:33,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:33,689 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-28 23:37:33,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:37:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:33,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:37:33,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:37:33,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 23:37:33,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:37:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:37:33,803 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-28 23:37:33,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:33,846 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 53 transitions. Complement of second has 4 states. [2023-11-28 23:37:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 23:37:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:37:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2023-11-28 23:37:33,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-28 23:37:33,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:33,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2023-11-28 23:37:33,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:33,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2023-11-28 23:37:33,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:37:33,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2023-11-28 23:37:33,851 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-28 23:37:33,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2023-11-28 23:37:33,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-28 23:37:33,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-28 23:37:33,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-28 23:37:33,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:37:33,851 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 23:37:33,851 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 23:37:33,851 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 23:37:33,851 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-28 23:37:33,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-28 23:37:33,852 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-28 23:37:33,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-28 23:37:33,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:37:33 BoogieIcfgContainer [2023-11-28 23:37:33,857 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-28 23:37:33,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:37:33,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:37:33,858 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:37:33,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:21" (3/4) ... [2023-11-28 23:37:33,860 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 23:37:33,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:37:33,861 INFO L158 Benchmark]: Toolchain (without parser) took 12890.62ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 89.6MB in the beginning and 152.7MB in the end (delta: -63.1MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-28 23:37:33,861 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:37:33,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.13ms. Allocated memory is still 127.9MB. Free memory was 89.6MB in the beginning and 71.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-28 23:37:33,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.82ms. Allocated memory is still 127.9MB. Free memory was 71.5MB in the beginning and 69.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:37:33,862 INFO L158 Benchmark]: Boogie Preprocessor took 42.36ms. Allocated memory is still 127.9MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:37:33,862 INFO L158 Benchmark]: RCFGBuilder took 323.57ms. Allocated memory is still 127.9MB. Free memory was 67.4MB in the beginning and 54.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-28 23:37:33,862 INFO L158 Benchmark]: BuchiAutomizer took 12068.95ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 54.4MB in the beginning and 152.7MB in the end (delta: -98.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-28 23:37:33,863 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 232.8MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:37:33,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.13ms. Allocated memory is still 127.9MB. Free memory was 89.6MB in the beginning and 71.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.82ms. Allocated memory is still 127.9MB. Free memory was 71.5MB in the beginning and 69.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.36ms. Allocated memory is still 127.9MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.57ms. Allocated memory is still 127.9MB. Free memory was 67.4MB in the beginning and 54.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12068.95ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 54.4MB in the beginning and 152.7MB in the end (delta: -98.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 232.8MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc216!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~s2!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 10.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 179 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 108 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital266 mio100 ax100 hnf100 lsp102 ukn78 mio100 lsp28 div167 bol100 ite100 ukn100 eq160 hnf93 smp71 dnf673 smp25 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 250ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-28 23:37:33,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765b64f6-c91c-440a-8b98-74d9225e56a9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE