./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 32bit --witnessprinter.graph.data.programhash 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:14:28,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:14:28,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 21:14:28,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:14:28,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:14:28,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:14:28,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:14:28,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:14:28,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:14:28,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:14:28,739 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:14:28,740 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 21:14:28,741 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 21:14:28,743 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 21:14:28,743 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 21:14:28,744 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 21:14:28,744 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 21:14:28,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:14:28,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 21:14:28,747 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:14:28,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:14:28,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:14:28,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:14:28,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 21:14:28,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 21:14:28,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 21:14:28,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:14:28,753 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:14:28,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:14:28,754 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 21:14:28,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:14:28,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:14:28,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:14:28,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:14:28,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:14:28,758 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 21:14:28,758 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_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 [2023-11-06 21:14:29,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:14:29,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:14:29,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:14:29,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:14:29,137 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:14:29,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2023-11-06 21:14:32,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:14:32,903 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:14:32,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2023-11-06 21:14:32,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/data/63b68270a/3d7dfb1620d345f28a92911c6a4d7a8e/FLAG088c56c2d [2023-11-06 21:14:32,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/data/63b68270a/3d7dfb1620d345f28a92911c6a4d7a8e [2023-11-06 21:14:32,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:14:32,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:14:32,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:32,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:14:32,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:14:32,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:32" (1/1) ... [2023-11-06 21:14:32,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16105fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:32, skipping insertion in model container [2023-11-06 21:14:32,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:32" (1/1) ... [2023-11-06 21:14:33,040 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:14:33,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:33,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:14:33,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:33,583 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:14:33,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33 WrapperNode [2023-11-06 21:14:33,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:33,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:33,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:14:33,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:14:33,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,653 INFO L138 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-06 21:14:33,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:33,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:14:33,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:14:33,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:14:33,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:14:33,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:14:33,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:14:33,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:14:33,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (1/1) ... [2023-11-06 21:14:33,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:33,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:33,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:33,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 21:14:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:14:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:14:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:14:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:14:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:14:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:14:33,934 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:14:33,936 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:14:34,233 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:14:34,243 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:14:34,244 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 21:14:34,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:34 BoogieIcfgContainer [2023-11-06 21:14:34,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:14:34,248 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 21:14:34,248 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 21:14:34,252 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 21:14:34,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:14:34,253 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 09:14:32" (1/3) ... [2023-11-06 21:14:34,255 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@232ab2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 09:14:34, skipping insertion in model container [2023-11-06 21:14:34,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:14:34,255 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:33" (2/3) ... [2023-11-06 21:14:34,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@232ab2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 09:14:34, skipping insertion in model container [2023-11-06 21:14:34,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:14:34,259 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:34" (3/3) ... [2023-11-06 21:14:34,263 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncat-alloca-2.i [2023-11-06 21:14:34,331 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 21:14:34,331 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 21:14:34,331 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 21:14:34,331 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 21:14:34,332 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 21:14:34,333 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 21:14:34,333 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 21:14:34,333 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 21:14:34,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2023-11-06 21:14:34,359 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2023-11-06 21:14:34,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:14:34,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:14:34,366 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 21:14:34,366 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:14:34,367 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 21:14:34,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2023-11-06 21:14:34,373 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2023-11-06 21:14:34,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:14:34,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:14:34,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 21:14:34,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:14:34,383 INFO L748 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 12#L534true assume !(main_~length1~0#1 < 1); 19#L534-2true assume !(main_~length2~0#1 < 1); 14#L537-1true assume !(main_~n~0#1 < 1); 3#L540-1true assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 23#L547-3true [2023-11-06 21:14:34,384 INFO L750 eck$LassoCheckResult]: Loop: 23#L547-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 11#L547-2true main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 23#L547-3true [2023-11-06 21:14:34,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:34,390 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2023-11-06 21:14:34,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:34,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447439482] [2023-11-06 21:14:34,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:34,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:34,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:34,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:34,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:34,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2023-11-06 21:14:34,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:34,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986997396] [2023-11-06 21:14:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:34,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:34,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:34,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:34,681 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2023-11-06 21:14:34,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:34,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439831098] [2023-11-06 21:14:34,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:34,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:34,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:34,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:35,223 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 21:14:35,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 21:14:35,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 21:14:35,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 21:14:35,224 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 21:14:35,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:35,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 21:14:35,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 21:14:35,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-2.i_Iteration1_Lasso [2023-11-06 21:14:35,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 21:14:35,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 21:14:35,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:35,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:36,073 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 21:14:36,080 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 21:14:36,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 21:14:36,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 21:14:36,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 21:14:36,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:36,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:36,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,214 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 21:14:36,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:36,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:36,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,255 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 21:14:36,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,289 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 21:14:36,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-06 21:14:36,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,326 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 21:14:36,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:36,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:36,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-06 21:14:36,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,384 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 21:14:36,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-06 21:14:36,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,422 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 21:14:36,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,470 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 21:14:36,497 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 [2023-11-06 21:14:36,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,533 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 21:14:36,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:36,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:36,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,595 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 21:14:36,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,624 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 21:14:36,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:36,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:36,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,683 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 21:14:36,693 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 [2023-11-06 21:14:36,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,738 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 21:14:36,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:36,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:36,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,821 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 21:14:36,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:36,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:36,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,882 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 21:14:36,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:36,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:36,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:36,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:36,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:36,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:36,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:36,958 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:36,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:36,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 21:14:36,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:36,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:36,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:36,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:36,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:36,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:37,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:37,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:37,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:37,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:37,018 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:37,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:37,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 21:14:37,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:37,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:37,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:37,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:37,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:37,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:37,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:37,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:37,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:37,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:37,091 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:37,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 21:14:37,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:37,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:37,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:37,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:37,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:37,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:37,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:37,176 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 21:14:37,214 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-06 21:14:37,214 INFO L444 ModelExtractionUtils]: 4 out of 28 variables were initially zero. Simplification set additionally 21 variables to zero. [2023-11-06 21:14:37,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:37,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:37,262 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:37,271 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 21:14:37,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 21:14:37,294 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 21:14:37,295 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 21:14:37,295 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-06 21:14:37,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:37,334 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-06 21:14:37,363 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 21:14:37,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 21:14:37,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:37,489 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 [2023-11-06 21:14:37,492 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-06 21:14:37,562 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 48 states and 71 transitions. Complement of second has 8 states. [2023-11-06 21:14:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 21:14:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-06 21:14:37,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2023-11-06 21:14:37,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-06 21:14:37,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:37,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-06 21:14:37,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:37,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-06 21:14:37,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:37,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 71 transitions. [2023-11-06 21:14:37,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 21:14:37,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 20 states and 29 transitions. [2023-11-06 21:14:37,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-06 21:14:37,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-06 21:14:37,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2023-11-06 21:14:37,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:37,602 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-06 21:14:37,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2023-11-06 21:14:37,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-06 21:14:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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) [2023-11-06 21:14:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2023-11-06 21:14:37,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-06 21:14:37,642 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-06 21:14:37,643 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 21:14:37,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2023-11-06 21:14:37,646 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 21:14:37,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:14:37,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:14:37,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:37,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:14:37,648 INFO L748 eck$LassoCheckResult]: Stem: 167#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~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~nondet8#1;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 156#L534 assume !(main_~length1~0#1 < 1); 157#L534-2 assume !(main_~length2~0#1 < 1); 160#L537-1 assume !(main_~n~0#1 < 1); 148#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 149#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 166#L547-4 havoc main_~i~0#1;main_~i~1#1 := 0; 152#L552-3 [2023-11-06 21:14:37,648 INFO L750 eck$LassoCheckResult]: Loop: 152#L552-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet16#1;call write~int(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1; 154#L552-2 main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 152#L552-3 [2023-11-06 21:14:37,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:37,651 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2023-11-06 21:14:37,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:37,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618089871] [2023-11-06 21:14:37,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:37,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:37,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:37,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:37,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618089871] [2023-11-06 21:14:37,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618089871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:37,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:37,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:14:37,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451622366] [2023-11-06 21:14:37,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:37,849 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 21:14:37,849 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:37,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2023-11-06 21:14:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:37,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783755545] [2023-11-06 21:14:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:37,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:37,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:37,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:37,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:37,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:14:37,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:14:37,947 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2023-11-06 21:14:38,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:38,027 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2023-11-06 21:14:38,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2023-11-06 21:14:38,029 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 21:14:38,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2023-11-06 21:14:38,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-06 21:14:38,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-06 21:14:38,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2023-11-06 21:14:38,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:38,030 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-06 21:14:38,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2023-11-06 21:14:38,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2023-11-06 21:14:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2023-11-06 21:14:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2023-11-06 21:14:38,033 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-06 21:14:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:14:38,036 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-06 21:14:38,036 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 21:14:38,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2023-11-06 21:14:38,037 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 21:14:38,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:14:38,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:14:38,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:38,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:14:38,038 INFO L748 eck$LassoCheckResult]: Stem: 220#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~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~nondet8#1;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 209#L534 assume !(main_~length1~0#1 < 1); 210#L534-2 assume !(main_~length2~0#1 < 1); 213#L537-1 assume !(main_~n~0#1 < 1); 201#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 202#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 203#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 204#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 219#L547-4 havoc main_~i~0#1;main_~i~1#1 := 0; 205#L552-3 [2023-11-06 21:14:38,038 INFO L750 eck$LassoCheckResult]: Loop: 205#L552-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet16#1;call write~int(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1; 207#L552-2 main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 205#L552-3 [2023-11-06 21:14:38,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:38,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1713550361, now seen corresponding path program 1 times [2023-11-06 21:14:38,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:38,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994927948] [2023-11-06 21:14:38,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:38,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:38,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:38,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 2 times [2023-11-06 21:14:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:38,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247763763] [2023-11-06 21:14:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:38,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:38,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:38,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:38,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1749424059, now seen corresponding path program 1 times [2023-11-06 21:14:38,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:38,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394856364] [2023-11-06 21:14:38,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:38,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:38,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394856364] [2023-11-06 21:14:38,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394856364] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:14:38,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854281335] [2023-11-06 21:14:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:14:38,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:38,294 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:14:38,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 21:14:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:38,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 21:14:38,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:38,470 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:14:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:38,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854281335] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:14:38,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 21:14:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-06 21:14:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374882923] [2023-11-06 21:14:38,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 21:14:38,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:38,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 21:14:38,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-06 21:14:38,651 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:14:38,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:38,874 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2023-11-06 21:14:38,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2023-11-06 21:14:38,879 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2023-11-06 21:14:38,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 53 transitions. [2023-11-06 21:14:38,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-06 21:14:38,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-06 21:14:38,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 53 transitions. [2023-11-06 21:14:38,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:38,885 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 53 transitions. [2023-11-06 21:14:38,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 53 transitions. [2023-11-06 21:14:38,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 29. [2023-11-06 21:14:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 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) [2023-11-06 21:14:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2023-11-06 21:14:38,894 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2023-11-06 21:14:38,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 21:14:38,897 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2023-11-06 21:14:38,897 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 21:14:38,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2023-11-06 21:14:38,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 21:14:38,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:14:38,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:14:38,900 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:38,900 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:14:38,900 INFO L748 eck$LassoCheckResult]: Stem: 386#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~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~nondet8#1;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 372#L534 assume !(main_~length1~0#1 < 1); 373#L534-2 assume !(main_~length2~0#1 < 1); 384#L537-1 assume !(main_~n~0#1 < 1); 393#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 392#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 391#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 390#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 389#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 388#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 387#L547-4 havoc main_~i~0#1;main_~i~1#1 := 0; 383#L552-3 [2023-11-06 21:14:38,901 INFO L750 eck$LassoCheckResult]: Loop: 383#L552-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet16#1;call write~int(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1; 382#L552-2 main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 383#L552-3 [2023-11-06 21:14:38,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:38,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1749479291, now seen corresponding path program 2 times [2023-11-06 21:14:38,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:38,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524228784] [2023-11-06 21:14:38,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:38,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:38,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:38,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:38,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 3 times [2023-11-06 21:14:38,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:38,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187619370] [2023-11-06 21:14:38,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:38,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:38,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:39,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:39,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:39,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1917387421, now seen corresponding path program 2 times [2023-11-06 21:14:39,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:39,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303930990] [2023-11-06 21:14:39,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:39,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:39,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:39,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:39,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:39,641 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 21:14:39,641 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 21:14:39,641 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 21:14:39,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 21:14:39,642 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 21:14:39,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:39,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 21:14:39,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 21:14:39,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-2.i_Iteration4_Lasso [2023-11-06 21:14:39,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 21:14:39,642 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 21:14:39,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:39,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:40,333 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 21:14:40,333 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 21:14:40,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,337 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:40,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 21:14:40,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:40,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:40,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:40,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:40,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:40,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:40,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:40,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:40,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:40,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,379 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:40,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 21:14:40,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:40,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:40,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:40,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:40,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:40,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:40,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:40,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:40,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:40,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,414 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:40,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 21:14:40,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:40,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:40,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:40,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:40,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:40,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:40,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:40,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:40,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:40,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,479 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:40,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 21:14:40,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:40,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:40,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:40,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:40,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:40,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:40,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:40,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:40,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,526 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:40,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 21:14:40,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:40,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:40,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:40,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:40,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:40,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:40,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:40,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:40,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:40,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,562 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:40,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 21:14:40,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:40,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:40,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:40,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:40,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:40,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:40,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:40,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:40,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:40,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,614 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:40,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 21:14:40,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:40,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:40,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:40,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:40,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:40,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:40,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:40,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:40,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:40,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,667 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:40,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:40,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:40,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:40,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:40,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 21:14:40,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:40,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:40,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 21:14:40,744 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-06 21:14:40,744 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 17 variables to zero. [2023-11-06 21:14:40,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:40,748 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:40,749 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 21:14:40,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 21:14:40,777 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 21:14:40,778 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 21:14:40,778 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2023-11-06 21:14:40,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:40,808 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-06 21:14:40,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 21:14:40,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:40,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 21:14:40,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:40,894 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 [2023-11-06 21:14:40,894 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-06 21:14:40,921 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 32 states and 45 transitions. Complement of second has 7 states. [2023-11-06 21:14:40,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 21:14:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-06 21:14:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-06 21:14:40,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-06 21:14:40,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:40,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-06 21:14:40,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:40,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-06 21:14:40,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:40,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 45 transitions. [2023-11-06 21:14:40,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 21:14:40,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 30 states and 40 transitions. [2023-11-06 21:14:40,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-06 21:14:40,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2023-11-06 21:14:40,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2023-11-06 21:14:40,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:40,934 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-11-06 21:14:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2023-11-06 21:14:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-06 21:14:40,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 29 states have internal predecessors, (40), 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) [2023-11-06 21:14:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2023-11-06 21:14:40,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-11-06 21:14:40,940 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-11-06 21:14:40,940 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 21:14:40,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 40 transitions. [2023-11-06 21:14:40,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 21:14:40,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:14:40,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:14:40,947 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:40,947 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:14:40,948 INFO L748 eck$LassoCheckResult]: Stem: 544#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~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~nondet8#1;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 532#L534 assume !(main_~length1~0#1 < 1); 533#L534-2 assume main_~length2~0#1 < 1;main_~length2~0#1 := 1; 542#L537-1 assume !(main_~n~0#1 < 1); 552#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 545#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 529#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 530#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 543#L547-4 havoc main_~i~0#1;main_~i~1#1 := 0; 525#L552-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 526#L552-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset, cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~mem2#1, cstrncat_#t~post5#1.base, cstrncat_#t~post5#1.offset, cstrncat_#t~mem6#1, cstrncat_#t~post7#1.base, cstrncat_#t~post7#1.offset, cstrncat_#t~pre4#1, cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, cstrncat_~dst#1.base, cstrncat_~dst#1.offset, cstrncat_~src#1.base, cstrncat_~src#1.offset, cstrncat_~n#1;cstrncat_~dst#1.base, cstrncat_~dst#1.offset := cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset;cstrncat_~src#1.base, cstrncat_~src#1.offset := cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1; 531#L516 assume 0 != cstrncat_~n#1 % 4294967296;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_~dst#1.base, cstrncat_~dst#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~src#1.base, cstrncat_~src#1.offset; 538#L519-3 [2023-11-06 21:14:40,948 INFO L750 eck$LassoCheckResult]: Loop: 538#L519-3 call cstrncat_#t~mem2#1 := read~int(cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, 1); 539#L519-1 assume !!(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1;cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset := cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_#t~post3#1.base, 1 + cstrncat_#t~post3#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset; 538#L519-3 [2023-11-06 21:14:40,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:40,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1209403751, now seen corresponding path program 1 times [2023-11-06 21:14:40,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:40,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705287948] [2023-11-06 21:14:40,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:40,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:40,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:41,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:41,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:41,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:41,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 1 times [2023-11-06 21:14:41,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:41,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768756937] [2023-11-06 21:14:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:41,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:41,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:41,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:41,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:41,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1699134462, now seen corresponding path program 1 times [2023-11-06 21:14:41,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:41,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394820715] [2023-11-06 21:14:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:41,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:41,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:41,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394820715] [2023-11-06 21:14:41,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394820715] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:14:41,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177161848] [2023-11-06 21:14:41,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:41,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:14:41,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:41,552 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:14:41,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-11-06 21:14:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:41,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 21:14:41,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:41,717 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-06 21:14:41,880 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2023-11-06 21:14:41,888 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2023-11-06 21:14:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:41,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:14:41,975 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:14:41,976 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2023-11-06 21:14:41,984 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:14:41,984 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 32 [2023-11-06 21:14:42,151 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-06 21:14:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:42,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177161848] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:14:42,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 21:14:42,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 17 [2023-11-06 21:14:42,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727019860] [2023-11-06 21:14:42,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 21:14:42,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:42,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 21:14:42,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2023-11-06 21:14:42,286 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. cyclomatic complexity: 15 Second operand has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 18 states have internal predecessors, (32), 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) [2023-11-06 21:14:42,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:14:42,731 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2023-11-06 21:14:42,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 56 transitions. [2023-11-06 21:14:42,732 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-06 21:14:42,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 56 transitions. [2023-11-06 21:14:42,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2023-11-06 21:14:42,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2023-11-06 21:14:42,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2023-11-06 21:14:42,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:42,734 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-06 21:14:42,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2023-11-06 21:14:42,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2023-11-06 21:14:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 37 states have internal predecessors, (49), 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) [2023-11-06 21:14:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2023-11-06 21:14:42,740 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 49 transitions. [2023-11-06 21:14:42,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 21:14:42,743 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2023-11-06 21:14:42,743 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 21:14:42,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2023-11-06 21:14:42,745 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 21:14:42,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:14:42,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:14:42,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:14:42,746 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:14:42,746 INFO L748 eck$LassoCheckResult]: Stem: 743#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 736#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~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~nondet8#1;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 731#L534 assume !(main_~length1~0#1 < 1); 732#L534-2 assume main_~length2~0#1 < 1;main_~length2~0#1 := 1; 741#L537-1 assume !(main_~n~0#1 < 1); 754#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 744#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 728#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 729#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 745#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 758#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 757#L547-4 havoc main_~i~0#1;main_~i~1#1 := 0; 756#L552-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 726#L552-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset, cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~mem2#1, cstrncat_#t~post5#1.base, cstrncat_#t~post5#1.offset, cstrncat_#t~mem6#1, cstrncat_#t~post7#1.base, cstrncat_#t~post7#1.offset, cstrncat_#t~pre4#1, cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, cstrncat_~dst#1.base, cstrncat_~dst#1.offset, cstrncat_~src#1.base, cstrncat_~src#1.offset, cstrncat_~n#1;cstrncat_~dst#1.base, cstrncat_~dst#1.offset := cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset;cstrncat_~src#1.base, cstrncat_~src#1.offset := cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1; 755#L516 assume 0 != cstrncat_~n#1 % 4294967296;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_~dst#1.base, cstrncat_~dst#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~src#1.base, cstrncat_~src#1.offset; 737#L519-3 [2023-11-06 21:14:42,747 INFO L750 eck$LassoCheckResult]: Loop: 737#L519-3 call cstrncat_#t~mem2#1 := read~int(cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, 1); 738#L519-1 assume !!(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1;cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset := cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_#t~post3#1.base, 1 + cstrncat_#t~post3#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset; 737#L519-3 [2023-11-06 21:14:42,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:42,747 INFO L85 PathProgramCache]: Analyzing trace with hash -948699273, now seen corresponding path program 2 times [2023-11-06 21:14:42,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:42,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549202868] [2023-11-06 21:14:42,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:42,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:42,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:42,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:42,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:42,826 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 2 times [2023-11-06 21:14:42,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:42,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789280499] [2023-11-06 21:14:42,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:42,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:42,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:42,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:42,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:42,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1166932644, now seen corresponding path program 2 times [2023-11-06 21:14:42,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:42,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801549178] [2023-11-06 21:14:42,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:42,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:42,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:42,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:44,799 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 21:14:44,799 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 21:14:44,799 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 21:14:44,800 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 21:14:44,800 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 21:14:44,800 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:44,800 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 21:14:44,800 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 21:14:44,800 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-2.i_Iteration6_Lasso [2023-11-06 21:14:44,800 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 21:14:44,800 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 21:14:44,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:44,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:45,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:14:46,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 21:14:46,612 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 21:14:46,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,617 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:46,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:46,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:46,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:46,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:46,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:46,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:46,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:46,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 21:14:46,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:46,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:46,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,649 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,657 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 [2023-11-06 21:14:46,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:46,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:46,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:46,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:46,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:46,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:46,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:46,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 21:14:46,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:46,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:46,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,692 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:46,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 21:14:46,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:46,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:46,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:46,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:46,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:46,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:46,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:46,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:46,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:46,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,746 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:46,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-06 21:14:46,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:46,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:46,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:46,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:46,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:46,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:46,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:46,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:46,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:46,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,793 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:46,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:46,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:46,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:46,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:46,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:46,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:46,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:46,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 21:14:46,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:46,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:46,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,838 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:46,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:46,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:46,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:46,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:46,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:46,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:46,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:46,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 21:14:46,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:46,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:46,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,886 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:46,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:46,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:46,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:46,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:46,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:46,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:46,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:46,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 21:14:46,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:46,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:46,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,939 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:46,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:46,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:46,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:46,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:46,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:46,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:46,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-06 21:14:46,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:46,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:46,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:46,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:46,986 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:46,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:47,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-06 21:14:47,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:47,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:47,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:47,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:47,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:47,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:47,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:47,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:47,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:47,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:47,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:47,037 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:47,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:47,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:47,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:14:47,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:47,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:47,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:47,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:14:47,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:14:47,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-06 21:14:47,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:47,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:47,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:47,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:47,078 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:47,082 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 [2023-11-06 21:14:47,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:47,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:47,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:47,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:47,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:47,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:47,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-06 21:14:47,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:47,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:47,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:47,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:47,121 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:47,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:47,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-06 21:14:47,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:47,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:47,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:47,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:47,139 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:47,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:47,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:47,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:47,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:47,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:47,161 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:47,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:47,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:47,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:47,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:47,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:47,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-06 21:14:47,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:47,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:47,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:14:47,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:47,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:47,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:47,205 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:47,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:14:47,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:14:47,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:14:47,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:14:47,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:14:47,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-06 21:14:47,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:14:47,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:14:47,276 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 21:14:47,317 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-06 21:14:47,317 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-06 21:14:47,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:14:47,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:47,323 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:47,324 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 21:14:47,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-06 21:14:47,346 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 21:14:47,346 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 21:14:47,346 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3, ULTIMATE.start_cstrncat_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 - 1*ULTIMATE.start_cstrncat_~d~0#1.offset Supporting invariants [] [2023-11-06 21:14:47,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:47,417 INFO L156 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2023-11-06 21:14:47,422 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc11!base] could not be translated [2023-11-06 21:14:47,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:47,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 21:14:47,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:47,572 WARN L260 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 21:14:47,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:14:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:47,604 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-06 21:14:47,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2023-11-06 21:14:47,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 16. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) Result 46 states and 60 transitions. Complement of second has 8 states. [2023-11-06 21:14:47,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 21:14:47,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2023-11-06 21:14:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2023-11-06 21:14:47,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 15 letters. Loop has 2 letters. [2023-11-06 21:14:47,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:47,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 17 letters. Loop has 2 letters. [2023-11-06 21:14:47,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:47,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 15 letters. Loop has 4 letters. [2023-11-06 21:14:47,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:14:47,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 60 transitions. [2023-11-06 21:14:47,683 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 21:14:47,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2023-11-06 21:14:47,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 21:14:47,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 21:14:47,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 21:14:47,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:47,683 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:14:47,684 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:14:47,684 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:14:47,684 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 21:14:47,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:14:47,684 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 21:14:47,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 21:14:47,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 09:14:47 BoogieIcfgContainer [2023-11-06 21:14:47,694 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 21:14:47,695 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:14:47,695 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:14:47,695 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:14:47,696 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:34" (3/4) ... [2023-11-06 21:14:47,698 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:14:47,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:14:47,700 INFO L158 Benchmark]: Toolchain (without parser) took 14756.62ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 123.1MB in the beginning and 172.8MB in the end (delta: -49.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-06 21:14:47,700 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 107.0MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:14:47,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.44ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 106.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 21:14:47,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.81ms. Allocated memory is still 157.3MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:14:47,702 INFO L158 Benchmark]: Boogie Preprocessor took 67.07ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 102.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:14:47,702 INFO L158 Benchmark]: RCFGBuilder took 524.30ms. Allocated memory is still 157.3MB. Free memory was 102.9MB in the beginning and 89.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:14:47,702 INFO L158 Benchmark]: BuchiAutomizer took 13446.79ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 89.2MB in the beginning and 172.8MB in the end (delta: -83.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:14:47,703 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 239.1MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:14:47,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 107.0MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.44ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 106.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.81ms. Allocated memory is still 157.3MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.07ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 102.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.30ms. Allocated memory is still 157.3MB. Free memory was 102.9MB in the beginning and 89.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 13446.79ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 89.2MB in the beginning and 172.8MB in the end (delta: -83.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 239.1MB. Free memory is still 172.8MB. 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[#t~malloc11!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 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (length1 + (-1 * i)) and consists of 5 locations. One deterministic module has affine ranking function (length2 + (-1 * i)) and consists of 4 locations. One deterministic module has affine ranking function NULL and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.3s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 11.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 333 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 331 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 245 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 96 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital184 mio100 ax110 hnf100 lsp93 ukn69 mio100 lsp45 div187 bol100 ite100 ukn100 eq156 hnf95 smp64 dnf201 smp77 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2023-11-06 21:14:47,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:47,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:48,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-06 21:14:48,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b907171a-906a-4c0f-8aca-60848b0417af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE