./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strstr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strstr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4f0de1cabcaa1e7c1b5012604e9626b39d1f0fa44ba0399b8bd31764898831fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:26:58,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:26:58,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 05:26:58,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:26:58,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:26:58,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:26:58,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:26:58,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:26:58,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:26:58,880 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:26:58,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:26:58,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:26:58,882 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:26:58,882 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:26:58,883 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:26:58,883 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:26:58,884 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:26:58,884 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:26:58,885 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:26:58,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:26:58,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:26:58,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:26:58,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:26:58,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:26:58,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:26:58,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:26:58,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:26:58,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:26:58,890 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:26:58,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:26:58,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:26:58,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:26:58,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:26:58,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:26:58,892 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:26:58,892 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_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0de1cabcaa1e7c1b5012604e9626b39d1f0fa44ba0399b8bd31764898831fc [2023-11-29 05:26:59,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:26:59,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:26:59,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:26:59,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:26:59,124 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:26:59,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-dietlibc/strstr.i [2023-11-29 05:27:01,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:27:02,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:27:02,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/sv-benchmarks/c/termination-dietlibc/strstr.i [2023-11-29 05:27:02,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/data/bd18cc990/3e3ac9639fb34dfeb09fc0cc95f7dfdb/FLAGd5f446303 [2023-11-29 05:27:02,123 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/data/bd18cc990/3e3ac9639fb34dfeb09fc0cc95f7dfdb [2023-11-29 05:27:02,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:27:02,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:27:02,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:27:02,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:27:02,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:27:02,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32190593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02, skipping insertion in model container [2023-11-29 05:27:02,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:27:02,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:27:02,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:27:02,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:27:02,535 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:27:02,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02 WrapperNode [2023-11-29 05:27:02,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:27:02,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:27:02,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:27:02,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:27:02,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,584 INFO L138 Inliner]: procedures = 116, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 182 [2023-11-29 05:27:02,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:27:02,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:27:02,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:27:02,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:27:02,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,620 INFO L175 MemorySlicer]: Split 10 memory accesses to 1 slices as follows [10]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 4 writes are split as follows [4]. [2023-11-29 05:27:02,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:27:02,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:27:02,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:27:02,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:27:02,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (1/1) ... [2023-11-29 05:27:02,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:02,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:02,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:02,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:27:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:27:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:27:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:27:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:27:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:27:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:27:02,794 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:27:02,796 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:27:03,023 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:27:03,032 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:27:03,033 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 05:27:03,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:27:03 BoogieIcfgContainer [2023-11-29 05:27:03,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:27:03,035 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:27:03,035 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:27:03,038 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:27:03,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:27:03,038 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:27:02" (1/3) ... [2023-11-29 05:27:03,039 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26caf3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:27:03, skipping insertion in model container [2023-11-29 05:27:03,039 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:27:03,039 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:27:02" (2/3) ... [2023-11-29 05:27:03,039 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26caf3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:27:03, skipping insertion in model container [2023-11-29 05:27:03,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:27:03,040 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:27:03" (3/3) ... [2023-11-29 05:27:03,041 INFO L332 chiAutomizerObserver]: Analyzing ICFG strstr.i [2023-11-29 05:27:03,081 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:27:03,081 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:27:03,081 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:27:03,081 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:27:03,081 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:27:03,081 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:27:03,082 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:27:03,082 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:27:03,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:03,103 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2023-11-29 05:27:03,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:03,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:03,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 05:27:03,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 05:27:03,109 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:27:03,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:03,112 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2023-11-29 05:27:03,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:03,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:03,113 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 05:27:03,113 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 05:27:03,118 INFO L748 eck$LassoCheckResult]: Stem: 32#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 10#L542true assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 3#L544-3true [2023-11-29 05:27:03,119 INFO L750 eck$LassoCheckResult]: Loop: 3#L544-3true assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 4#L544-2true main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3#L544-3true [2023-11-29 05:27:03,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:03,123 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-29 05:27:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249980597] [2023-11-29 05:27:03,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:03,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:03,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:03,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-29 05:27:03,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:03,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272257273] [2023-11-29 05:27:03,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:03,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:03,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:03,261 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-29 05:27:03,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:03,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526086057] [2023-11-29 05:27:03,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:03,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:03,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:03,535 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:27:03,536 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:27:03,536 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:27:03,536 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:27:03,536 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:27:03,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:03,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:27:03,537 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:27:03,537 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration1_Lasso [2023-11-29 05:27:03,537 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:27:03,537 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:27:03,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:03,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:04,020 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:27:04,025 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:27:04,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 05:27:04,041 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 [2023-11-29 05:27:04,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:04,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:04,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:04,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:04,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-29 05:27:04,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,062 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 05:27:04,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:04,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:04,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:04,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:04,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:04,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 05:27:04,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 05:27:04,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:04,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:04,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:04,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:04,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:04,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 05:27:04,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 05:27:04,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:04,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:04,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:04,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:04,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:04,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 05:27:04,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,143 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 05:27:04,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:04,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:04,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:04,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:04,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:04,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 05:27:04,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,165 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 05:27:04,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:04,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:04,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:04,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:04,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 05:27:04,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,212 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 05:27:04,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:04,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:04,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:04,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:04,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 05:27:04,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,244 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 05:27:04,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:04,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:04,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:04,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:04,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:04,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,279 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 05:27:04,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:04,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:04,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:04,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:04,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:04,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:04,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:04,318 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:27:04,369 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-29 05:27:04,369 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-29 05:27:04,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:04,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:04,388 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:04,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 05:27:04,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:27:04,406 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-29 05:27:04,407 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:27:04,407 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1, v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_1) = -1*ULTIMATE.start_main_~i~2#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~hay~0#1.offset >= 0] [2023-11-29 05:27:04,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 05:27:04,427 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2023-11-29 05:27:04,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc20!base] could not be translated [2023-11-29 05:27:04,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:27:04,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:27:04,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:04,567 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 05:27:04,570 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:04,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 79 states and 119 transitions. Complement of second has 8 states. [2023-11-29 05:27:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 05:27:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2023-11-29 05:27:04,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-29 05:27:04,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:04,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-29 05:27:04,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:04,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-29 05:27:04,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:04,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 119 transitions. [2023-11-29 05:27:04,663 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2023-11-29 05:27:04,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 34 states and 48 transitions. [2023-11-29 05:27:04,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-29 05:27:04,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-29 05:27:04,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 48 transitions. [2023-11-29 05:27:04,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:27:04,670 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 48 transitions. [2023-11-29 05:27:04,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 48 transitions. [2023-11-29 05:27:04,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-29 05:27:04,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.411764705882353) internal successors, (48), 33 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2023-11-29 05:27:04,697 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 48 transitions. [2023-11-29 05:27:04,698 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2023-11-29 05:27:04,698 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 05:27:04,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 48 transitions. [2023-11-29 05:27:04,699 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2023-11-29 05:27:04,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:04,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:04,700 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 05:27:04,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 05:27:04,700 INFO L748 eck$LassoCheckResult]: Stem: 213#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 191#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 181#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 182#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 189#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 185#L552-3 [2023-11-29 05:27:04,700 INFO L750 eck$LassoCheckResult]: Loop: 185#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 187#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 185#L552-3 [2023-11-29 05:27:04,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:04,701 INFO L85 PathProgramCache]: Analyzing trace with hash 889572430, now seen corresponding path program 1 times [2023-11-29 05:27:04,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:04,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527955672] [2023-11-29 05:27:04,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:04,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:04,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:04,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:04,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:04,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2023-11-29 05:27:04,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:04,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142380520] [2023-11-29 05:27:04,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:04,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:04,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:04,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:04,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:04,754 INFO L85 PathProgramCache]: Analyzing trace with hash 180614416, now seen corresponding path program 1 times [2023-11-29 05:27:04,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:04,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959723766] [2023-11-29 05:27:04,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:04,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:04,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:04,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:05,225 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:27:05,225 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:27:05,225 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:27:05,225 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:27:05,226 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:27:05,226 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:05,226 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:27:05,226 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:27:05,226 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration2_Lasso [2023-11-29 05:27:05,226 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:27:05,226 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:27:05,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 05:27:05,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:05,822 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:27:05,822 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:27:05,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:05,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:05,824 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:05,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 05:27:05,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:05,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:05,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:05,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:05,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:05,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:05,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:05,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:05,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 05:27:05,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:05,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:05,852 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:05,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 05:27:05,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:05,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:05,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:05,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:05,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:05,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:05,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:05,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:05,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 05:27:05,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:05,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:05,881 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:05,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 05:27:05,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:05,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:05,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:05,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:05,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:05,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:05,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:05,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:05,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:05,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 05:27:05,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:05,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:05,909 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:05,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 05:27:05,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:05,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:05,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:05,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:05,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:05,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:05,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:05,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:05,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 05:27:05,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:05,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:05,936 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:05,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:05,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 05:27:05,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:05,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:05,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:05,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:05,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:05,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:05,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:05,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:05,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:05,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:05,972 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:05,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 05:27:05,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:05,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:05,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:05,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:05,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:05,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:06,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:06,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:27:06,052 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-29 05:27:06,053 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-29 05:27:06,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:06,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:06,060 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:06,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 05:27:06,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:27:06,078 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:27:06,078 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:27:06,078 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~out_len~0#1, ULTIMATE.start_main_~i~3#1) = 1*ULTIMATE.start_main_~out_len~0#1 - 1*ULTIMATE.start_main_~i~3#1 Supporting invariants [] [2023-11-29 05:27:06,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:06,109 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2023-11-29 05:27:06,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:06,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:27:06,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:06,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:27:06,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:06,169 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 05:27:06,170 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19 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) [2023-11-29 05:27:06,196 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19. 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 61 states and 89 transitions. Complement of second has 8 states. [2023-11-29 05:27:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 05:27:06,198 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) [2023-11-29 05:27:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2023-11-29 05:27:06,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-29 05:27:06,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:06,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-29 05:27:06,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:06,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-29 05:27:06,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:06,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 89 transitions. [2023-11-29 05:27:06,201 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-29 05:27:06,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 35 states and 49 transitions. [2023-11-29 05:27:06,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-29 05:27:06,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-29 05:27:06,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 49 transitions. [2023-11-29 05:27:06,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:27:06,203 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 49 transitions. [2023-11-29 05:27:06,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 49 transitions. [2023-11-29 05:27:06,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-29 05:27:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.4) internal successors, (49), 34 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) [2023-11-29 05:27:06,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2023-11-29 05:27:06,206 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 49 transitions. [2023-11-29 05:27:06,206 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 49 transitions. [2023-11-29 05:27:06,206 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 05:27:06,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 49 transitions. [2023-11-29 05:27:06,207 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-29 05:27:06,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:06,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:06,208 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:06,208 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:06,208 INFO L748 eck$LassoCheckResult]: Stem: 394#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 373#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 360#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 361#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 369#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 364#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 365#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 368#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 374#L510-4 [2023-11-29 05:27:06,208 INFO L750 eck$LassoCheckResult]: Loop: 374#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 375#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 384#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 374#L510-4 [2023-11-29 05:27:06,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1304077847, now seen corresponding path program 1 times [2023-11-29 05:27:06,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627488134] [2023-11-29 05:27:06,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:06,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,249 INFO L85 PathProgramCache]: Analyzing trace with hash 78610, now seen corresponding path program 1 times [2023-11-29 05:27:06,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552457249] [2023-11-29 05:27:06,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:06,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1803996476, now seen corresponding path program 1 times [2023-11-29 05:27:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963809478] [2023-11-29 05:27:06,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:06,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 05:27:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:06,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:06,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963809478] [2023-11-29 05:27:06,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963809478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:06,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:06,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:27:06,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386649104] [2023-11-29 05:27:06,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:06,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:06,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:27:06,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:27:06,614 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. cyclomatic complexity: 19 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2023-11-29 05:27:06,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:06,714 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2023-11-29 05:27:06,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 76 transitions. [2023-11-29 05:27:06,715 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 27 [2023-11-29 05:27:06,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 76 transitions. [2023-11-29 05:27:06,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2023-11-29 05:27:06,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2023-11-29 05:27:06,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 76 transitions. [2023-11-29 05:27:06,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:27:06,717 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 76 transitions. [2023-11-29 05:27:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 76 transitions. [2023-11-29 05:27:06,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2023-11-29 05:27:06,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 38 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2023-11-29 05:27:06,721 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2023-11-29 05:27:06,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:27:06,722 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2023-11-29 05:27:06,722 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 05:27:06,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2023-11-29 05:27:06,723 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-29 05:27:06,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:06,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:06,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:06,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:06,724 INFO L748 eck$LassoCheckResult]: Stem: 504#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 481#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 469#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 470#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 479#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 473#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 474#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 507#L509 assume strlen_~s#1.base == 0 && strlen_~s#1.offset == 0;strlen_#res#1 := 0; 496#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 494#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 487#L510-10 [2023-11-29 05:27:06,724 INFO L750 eck$LassoCheckResult]: Loop: 487#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 488#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 490#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 487#L510-10 [2023-11-29 05:27:06,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,725 INFO L85 PathProgramCache]: Analyzing trace with hash -911639398, now seen corresponding path program 1 times [2023-11-29 05:27:06,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132551303] [2023-11-29 05:27:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:06,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:06,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132551303] [2023-11-29 05:27:06,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132551303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:06,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:06,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:27:06,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743920031] [2023-11-29 05:27:06,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:06,792 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:06,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,793 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 1 times [2023-11-29 05:27:06,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946804665] [2023-11-29 05:27:06,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:06,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:06,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:27:06,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:27:06,846 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:06,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:06,880 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2023-11-29 05:27:06,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2023-11-29 05:27:06,880 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-29 05:27:06,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2023-11-29 05:27:06,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-29 05:27:06,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2023-11-29 05:27:06,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2023-11-29 05:27:06,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:27:06,882 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-11-29 05:27:06,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2023-11-29 05:27:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-29 05:27:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 38 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) [2023-11-29 05:27:06,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2023-11-29 05:27:06,885 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-11-29 05:27:06,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:27:06,886 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-11-29 05:27:06,886 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 05:27:06,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 49 transitions. [2023-11-29 05:27:06,887 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-29 05:27:06,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:06,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:06,887 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:06,887 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:06,888 INFO L748 eck$LassoCheckResult]: Stem: 594#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 570#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 571#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 559#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 560#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 569#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 563#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 565#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 566#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 567#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 568#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 574#L510-4 [2023-11-29 05:27:06,888 INFO L750 eck$LassoCheckResult]: Loop: 574#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 575#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 583#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 574#L510-4 [2023-11-29 05:27:06,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,888 INFO L85 PathProgramCache]: Analyzing trace with hash -909922795, now seen corresponding path program 1 times [2023-11-29 05:27:06,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621818363] [2023-11-29 05:27:06,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:06,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,914 INFO L85 PathProgramCache]: Analyzing trace with hash 78610, now seen corresponding path program 2 times [2023-11-29 05:27:06,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105331233] [2023-11-29 05:27:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:06,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1971331970, now seen corresponding path program 1 times [2023-11-29 05:27:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55460413] [2023-11-29 05:27:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:06,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:07,856 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:27:07,856 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:27:07,857 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:27:07,857 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:27:07,857 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:27:07,857 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:07,857 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:27:07,857 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:27:07,857 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration5_Lasso [2023-11-29 05:27:07,857 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:27:07,857 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:27:07,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:07,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:08,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:27:08,613 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:27:08,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,616 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 05:27:08,621 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 [2023-11-29 05:27:08,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 05:27:08,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,639 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 05:27:08,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:08,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:08,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 05:27:08,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,667 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 05:27:08,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 05:27:08,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,685 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 05:27:08,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:08,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:08,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 05:27:08,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,707 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 05:27:08,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:08,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,724 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 05:27:08,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 05:27:08,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,742 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 05:27:08,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:08,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,763 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 05:27:08,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:08,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,782 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 05:27:08,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:08,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:08,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 05:27:08,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,804 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 05:27:08,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 05:27:08,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,821 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 05:27:08,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:08,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:08,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:08,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,841 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 05:27:08,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:08,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:08,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 05:27:08,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,876 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 05:27:08,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 05:27:08,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,898 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 05:27:08,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:08,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:08,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 05:27:08,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,923 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 05:27:08,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 05:27:08,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,944 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 05:27:08,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 05:27:08,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,964 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 05:27:08,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:08,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:08,982 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:08,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 05:27:08,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:08,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:08,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:08,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:08,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:08,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:08,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:08,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:08,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:08,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 05:27:08,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:08,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,000 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 05:27:09,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,016 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 05:27:09,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,033 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 05:27:09,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-29 05:27:09,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,052 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 05:27:09,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,070 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 05:27:09,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-29 05:27:09,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,091 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-29 05:27:09,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-29 05:27:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,114 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-29 05:27:09,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-29 05:27:09,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,136 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 05:27:09,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-29 05:27:09,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,153 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 05:27:09,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-29 05:27:09,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,171 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 05:27:09,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-29 05:27:09,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,188 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-29 05:27:09,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,205 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-29 05:27:09,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:09,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:09,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:09,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,222 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-29 05:27:09,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,243 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-29 05:27:09,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,279 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-29 05:27:09,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-29 05:27:09,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,299 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-29 05:27:09,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-29 05:27:09,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,321 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-29 05:27:09,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,344 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-29 05:27:09,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:09,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,375 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-29 05:27:09,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,387 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:27:09,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,390 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-29 05:27:09,390 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 05:27:09,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-29 05:27:09,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,405 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-29 05:27:09,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:09,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-29 05:27:09,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,425 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-29 05:27:09,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:09,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:09,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:09,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:09,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:09,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:09,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:09,450 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:27:09,466 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-29 05:27:09,466 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-29 05:27:09,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:09,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:09,467 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:09,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-29 05:27:09,469 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:27:09,480 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:27:09,480 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:27:09,480 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc24#1.base)_2, ULTIMATE.start_strlen_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc24#1.base)_2 - 1*ULTIMATE.start_strlen_~s#1.offset Supporting invariants [] [2023-11-29 05:27:09,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-29 05:27:09,511 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2023-11-29 05:27:09,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc24!base] could not be translated [2023-11-29 05:27:09,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 05:27:09,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 05:27:09,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:27:09,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:09,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:09,633 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 [2023-11-29 05:27:09,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:09,699 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 57 transitions. Complement of second has 7 states. [2023-11-29 05:27:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 05:27:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-29 05:27:09,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-29 05:27:09,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:09,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-29 05:27:09,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:09,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 6 letters. [2023-11-29 05:27:09,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:09,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2023-11-29 05:27:09,702 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-29 05:27:09,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 41 states and 52 transitions. [2023-11-29 05:27:09,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-29 05:27:09,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2023-11-29 05:27:09,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 52 transitions. [2023-11-29 05:27:09,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:09,703 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 52 transitions. [2023-11-29 05:27:09,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 52 transitions. [2023-11-29 05:27:09,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2023-11-29 05:27:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.275) internal successors, (51), 39 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2023-11-29 05:27:09,706 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 51 transitions. [2023-11-29 05:27:09,706 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 51 transitions. [2023-11-29 05:27:09,706 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 05:27:09,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 51 transitions. [2023-11-29 05:27:09,707 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-29 05:27:09,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:09,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:09,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:09,708 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:09,708 INFO L748 eck$LassoCheckResult]: Stem: 793#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 769#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 770#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 756#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 757#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 766#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 760#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 761#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 765#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 771#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 772#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 791#L510-5 strlen_#res#1 := strlen_~i~0#1; 789#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 783#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 776#L510-10 [2023-11-29 05:27:09,709 INFO L750 eck$LassoCheckResult]: Loop: 776#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 777#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 779#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 776#L510-10 [2023-11-29 05:27:09,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:09,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1526227897, now seen corresponding path program 1 times [2023-11-29 05:27:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:09,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369354144] [2023-11-29 05:27:09,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:09,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:09,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:09,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:09,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:09,735 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 2 times [2023-11-29 05:27:09,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:09,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94965819] [2023-11-29 05:27:09,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:09,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:09,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:09,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:09,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:09,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1331413406, now seen corresponding path program 1 times [2023-11-29 05:27:09,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:09,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384178879] [2023-11-29 05:27:09,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:09,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:10,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:10,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384178879] [2023-11-29 05:27:10,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384178879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:10,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:10,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:27:10,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678305384] [2023-11-29 05:27:10,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:10,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:10,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:27:10,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:27:10,059 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:10,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:10,245 INFO L93 Difference]: Finished difference Result 82 states and 104 transitions. [2023-11-29 05:27:10,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 104 transitions. [2023-11-29 05:27:10,247 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2023-11-29 05:27:10,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 82 states and 104 transitions. [2023-11-29 05:27:10,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2023-11-29 05:27:10,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2023-11-29 05:27:10,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 104 transitions. [2023-11-29 05:27:10,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:10,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 82 states and 104 transitions. [2023-11-29 05:27:10,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 104 transitions. [2023-11-29 05:27:10,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 60. [2023-11-29 05:27:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 59 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2023-11-29 05:27:10,252 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 76 transitions. [2023-11-29 05:27:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:27:10,253 INFO L428 stractBuchiCegarLoop]: Abstraction has 60 states and 76 transitions. [2023-11-29 05:27:10,253 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 05:27:10,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 76 transitions. [2023-11-29 05:27:10,254 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-29 05:27:10,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:10,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:10,255 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:10,255 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:10,255 INFO L748 eck$LassoCheckResult]: Stem: 946#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 915#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 916#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 902#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 904#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 905#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 906#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 914#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 907#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 908#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 913#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 934#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 952#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 948#L510-5 strlen_#res#1 := strlen_~i~0#1; 939#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 940#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 924#L510-10 [2023-11-29 05:27:10,255 INFO L750 eck$LassoCheckResult]: Loop: 924#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 925#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 942#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 924#L510-10 [2023-11-29 05:27:10,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:10,255 INFO L85 PathProgramCache]: Analyzing trace with hash -432721371, now seen corresponding path program 1 times [2023-11-29 05:27:10,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:10,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434811198] [2023-11-29 05:27:10,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:10,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:10,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:10,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:10,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:10,286 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 3 times [2023-11-29 05:27:10,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:10,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327441875] [2023-11-29 05:27:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:10,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:10,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:10,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:10,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:10,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2005437500, now seen corresponding path program 1 times [2023-11-29 05:27:10,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:10,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036325458] [2023-11-29 05:27:10,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:10,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:10,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:10,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:11,679 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:27:11,680 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:27:11,680 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:27:11,680 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:27:11,680 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:27:11,680 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:11,680 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:27:11,680 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:27:11,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration7_Lasso [2023-11-29 05:27:11,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:27:11,680 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:27:11,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:11,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:11,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:11,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:12,562 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:27:12,562 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:27:12,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,563 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-29 05:27:12,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:12,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:12,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:12,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-29 05:27:12,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,582 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-29 05:27:12,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:12,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:12,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:12,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-29 05:27:12,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,598 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-29 05:27:12,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:12,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:12,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:12,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:12,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,615 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-29 05:27:12,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:12,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,634 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-29 05:27:12,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-29 05:27:12,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,658 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-29 05:27:12,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-29 05:27:12,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,694 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-29 05:27:12,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-29 05:27:12,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,714 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-29 05:27:12,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-29 05:27:12,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,734 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-29 05:27:12,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-29 05:27:12,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,756 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-29 05:27:12,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-29 05:27:12,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,778 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-29 05:27:12,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-29 05:27:12,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,797 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-29 05:27:12,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-29 05:27:12,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,821 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-29 05:27:12,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-29 05:27:12,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,841 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-29 05:27:12,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,853 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:27:12,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,856 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-29 05:27:12,856 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 05:27:12,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-29 05:27:12,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,871 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-29 05:27:12,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-29 05:27:12,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,891 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-29 05:27:12,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:12,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,912 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-29 05:27:12,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-29 05:27:12,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,932 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-29 05:27:12,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:12,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-29 05:27:12,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:12,952 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:12,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-29 05:27:12,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:12,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:12,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:12,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:12,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:12,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:12,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:12,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:27:12,999 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-29 05:27:12,999 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-29 05:27:12,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:12,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:13,000 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:13,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-29 05:27:13,002 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:27:13,015 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:27:13,015 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:27:13,015 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~hay~0#1.base)_3, ULTIMATE.start_strlen_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~hay~0#1.base)_3 - 1*ULTIMATE.start_strlen_~s#1.offset Supporting invariants [] [2023-11-29 05:27:13,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-29 05:27:13,077 INFO L156 tatePredicateManager]: 19 out of 21 supporting invariants were superfluous and have been removed [2023-11-29 05:27:13,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~hay~0!base] could not be translated [2023-11-29 05:27:13,081 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 05:27:13,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:13,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 05:27:13,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:13,195 WARN L260 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:27:13,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:13,226 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2023-11-29 05:27:13,226 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 76 transitions. cyclomatic complexity: 23 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:13,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2023-11-29 05:27:13,321 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 76 transitions. cyclomatic complexity: 23. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 78 states and 99 transitions. Complement of second has 8 states. [2023-11-29 05:27:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 05:27:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 41 transitions. [2023-11-29 05:27:13,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 16 letters. Loop has 3 letters. [2023-11-29 05:27:13,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:13,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 19 letters. Loop has 3 letters. [2023-11-29 05:27:13,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:13,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 16 letters. Loop has 6 letters. [2023-11-29 05:27:13,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:13,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 99 transitions. [2023-11-29 05:27:13,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-29 05:27:13,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 74 states and 94 transitions. [2023-11-29 05:27:13,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-11-29 05:27:13,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2023-11-29 05:27:13,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 94 transitions. [2023-11-29 05:27:13,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:13,327 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 94 transitions. [2023-11-29 05:27:13,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 94 transitions. [2023-11-29 05:27:13,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2023-11-29 05:27:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.278688524590164) internal successors, (78), 60 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2023-11-29 05:27:13,331 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 78 transitions. [2023-11-29 05:27:13,331 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 78 transitions. [2023-11-29 05:27:13,331 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 05:27:13,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 78 transitions. [2023-11-29 05:27:13,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-29 05:27:13,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:13,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:13,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:13,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 05:27:13,333 INFO L748 eck$LassoCheckResult]: Stem: 1258#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1231#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1232#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1215#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1216#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1228#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1220#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1221#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1272#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1265#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1255#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1256#L510-5 strlen_#res#1 := strlen_~i~0#1; 1253#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1247#L509-2 assume strlen_~s#1.base == 0 && strlen_~s#1.offset == 0;strlen_#res#1 := 0; 1248#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1237#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1229#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1230#L532-3 [2023-11-29 05:27:13,333 INFO L750 eck$LassoCheckResult]: Loop: 1230#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1254#L533 assume !strstr_#t~short17#1; 1251#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1252#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1230#L532-3 [2023-11-29 05:27:13,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:13,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1331460076, now seen corresponding path program 1 times [2023-11-29 05:27:13,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:13,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514297516] [2023-11-29 05:27:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:13,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:13,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:13,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514297516] [2023-11-29 05:27:13,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514297516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:13,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:13,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:27:13,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688744582] [2023-11-29 05:27:13,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:13,390 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:13,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:13,390 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 1 times [2023-11-29 05:27:13,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:13,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199748877] [2023-11-29 05:27:13,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:13,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:13,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:13,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:13,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:13,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:27:13,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:27:13,521 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. cyclomatic complexity: 24 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:13,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:13,560 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2023-11-29 05:27:13,560 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2023-11-29 05:27:13,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-29 05:27:13,561 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 61 states and 76 transitions. [2023-11-29 05:27:13,561 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2023-11-29 05:27:13,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2023-11-29 05:27:13,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 76 transitions. [2023-11-29 05:27:13,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:13,562 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 76 transitions. [2023-11-29 05:27:13,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 76 transitions. [2023-11-29 05:27:13,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-29 05:27:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 60 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2023-11-29 05:27:13,566 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 76 transitions. [2023-11-29 05:27:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:27:13,567 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 76 transitions. [2023-11-29 05:27:13,567 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 05:27:13,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 76 transitions. [2023-11-29 05:27:13,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-29 05:27:13,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:13,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:13,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:13,569 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 05:27:13,569 INFO L748 eck$LassoCheckResult]: Stem: 1390#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1361#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1362#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1349#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1350#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1360#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1354#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1355#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1409#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1396#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1395#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1394#L510-5 strlen_#res#1 := strlen_~i~0#1; 1393#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1392#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1370#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1371#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1374#L510-11 strlen_#res#1 := strlen_~i~0#1; 1382#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1369#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1363#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1364#L532-3 [2023-11-29 05:27:13,569 INFO L750 eck$LassoCheckResult]: Loop: 1364#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1388#L533 assume !strstr_#t~short17#1; 1385#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1386#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1364#L532-3 [2023-11-29 05:27:13,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:13,570 INFO L85 PathProgramCache]: Analyzing trace with hash -115443887, now seen corresponding path program 1 times [2023-11-29 05:27:13,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:13,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003198775] [2023-11-29 05:27:13,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:13,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:13,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:13,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003198775] [2023-11-29 05:27:13,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003198775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:13,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:13,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:27:13,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045206963] [2023-11-29 05:27:13,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:13,639 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:13,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:13,640 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 2 times [2023-11-29 05:27:13,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:13,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152163219] [2023-11-29 05:27:13,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:13,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:13,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:13,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:13,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:13,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:27:13,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:27:13,754 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. cyclomatic complexity: 22 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:13,799 INFO L93 Difference]: Finished difference Result 100 states and 118 transitions. [2023-11-29 05:27:13,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 118 transitions. [2023-11-29 05:27:13,800 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-29 05:27:13,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 72 states and 86 transitions. [2023-11-29 05:27:13,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2023-11-29 05:27:13,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2023-11-29 05:27:13,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 86 transitions. [2023-11-29 05:27:13,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:13,802 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 86 transitions. [2023-11-29 05:27:13,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 86 transitions. [2023-11-29 05:27:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55. [2023-11-29 05:27:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2023-11-29 05:27:13,806 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 66 transitions. [2023-11-29 05:27:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:27:13,809 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 66 transitions. [2023-11-29 05:27:13,809 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-29 05:27:13,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 66 transitions. [2023-11-29 05:27:13,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-29 05:27:13,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:13,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:13,811 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:13,811 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 05:27:13,811 INFO L748 eck$LassoCheckResult]: Stem: 1571#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1538#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1539#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1526#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1527#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1537#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1531#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 1532#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1578#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1577#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1559#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1542#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1543#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1570#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1575#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1568#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1569#L510-5 strlen_#res#1 := strlen_~i~0#1; 1565#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1566#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1548#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1549#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1552#L510-11 strlen_#res#1 := strlen_~i~0#1; 1560#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1547#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1540#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1541#L532-3 [2023-11-29 05:27:13,812 INFO L750 eck$LassoCheckResult]: Loop: 1541#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1567#L533 assume !strstr_#t~short17#1; 1563#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1564#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1541#L532-3 [2023-11-29 05:27:13,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:13,812 INFO L85 PathProgramCache]: Analyzing trace with hash 278203018, now seen corresponding path program 1 times [2023-11-29 05:27:13,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:13,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368669890] [2023-11-29 05:27:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:13,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 05:27:14,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:14,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368669890] [2023-11-29 05:27:14,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368669890] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:14,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708588525] [2023-11-29 05:27:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:14,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:14,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:14,073 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:14,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2023-11-29 05:27:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:14,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:27:14,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 05:27:14,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:27:14,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708588525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:14,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:27:14,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 05:27:14,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314459973] [2023-11-29 05:27:14,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:14,211 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:14,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:14,211 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 3 times [2023-11-29 05:27:14,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:14,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207689698] [2023-11-29 05:27:14,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:14,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:14,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:14,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:14,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:14,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:27:14,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:27:14,341 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. cyclomatic complexity: 18 Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 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) [2023-11-29 05:27:14,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:14,387 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2023-11-29 05:27:14,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 73 transitions. [2023-11-29 05:27:14,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-29 05:27:14,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 41 states and 48 transitions. [2023-11-29 05:27:14,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-29 05:27:14,411 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-29 05:27:14,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 48 transitions. [2023-11-29 05:27:14,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:14,411 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-11-29 05:27:14,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 48 transitions. [2023-11-29 05:27:14,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2023-11-29 05:27:14,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:14,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-11-29 05:27:14,413 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-29 05:27:14,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:27:14,415 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-29 05:27:14,415 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-29 05:27:14,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2023-11-29 05:27:14,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-29 05:27:14,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:14,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:14,416 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:14,416 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 05:27:14,417 INFO L748 eck$LassoCheckResult]: Stem: 1776#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1750#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1751#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1738#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 1739#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1740#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1741#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1747#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1742#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 1743#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1744#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1745#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1746#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1752#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1753#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1765#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1754#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1755#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1774#L510-5 strlen_#res#1 := strlen_~i~0#1; 1772#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1766#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1757#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1758#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1764#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1759#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1760#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1763#L510-11 strlen_#res#1 := strlen_~i~0#1; 1767#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1756#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1748#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1749#L532-3 [2023-11-29 05:27:14,417 INFO L750 eck$LassoCheckResult]: Loop: 1749#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1773#L533 assume !strstr_#t~short17#1; 1770#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1771#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1749#L532-3 [2023-11-29 05:27:14,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:14,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1690519729, now seen corresponding path program 1 times [2023-11-29 05:27:14,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:14,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916666622] [2023-11-29 05:27:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:14,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:14,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:14,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:14,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:14,454 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 4 times [2023-11-29 05:27:14,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:14,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092982853] [2023-11-29 05:27:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:14,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:14,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:14,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:14,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1271781261, now seen corresponding path program 1 times [2023-11-29 05:27:14,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:14,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484380211] [2023-11-29 05:27:14,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:14,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:14,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:14,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:17,381 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:27:17,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:27:17,381 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:27:17,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:27:17,381 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:27:17,381 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:17,381 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:27:17,381 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:27:17,381 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration11_Lasso [2023-11-29 05:27:17,381 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:27:17,381 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:27:17,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:17,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:18,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:18,460 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:27:18,460 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:27:18,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,461 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-29 05:27:18,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,478 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-29 05:27:18,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-29 05:27:18,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,495 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-29 05:27:18,497 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 [2023-11-29 05:27:18,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,511 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-29 05:27:18,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-29 05:27:18,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,527 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-29 05:27:18,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-29 05:27:18,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,543 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-29 05:27:18,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-11-29 05:27:18,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,560 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-29 05:27:18,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2023-11-29 05:27:18,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,576 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-29 05:27:18,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,593 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-29 05:27:18,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2023-11-29 05:27:18,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,610 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-29 05:27:18,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,627 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-29 05:27:18,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2023-11-29 05:27:18,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,643 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-29 05:27:18,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2023-11-29 05:27:18,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,659 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-29 05:27:18,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,676 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-29 05:27:18,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,693 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-29 05:27:18,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,709 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-29 05:27:18,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2023-11-29 05:27:18,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,726 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2023-11-29 05:27:18,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2023-11-29 05:27:18,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,742 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2023-11-29 05:27:18,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,759 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2023-11-29 05:27:18,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,776 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2023-11-29 05:27:18,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2023-11-29 05:27:18,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,792 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2023-11-29 05:27:18,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:18,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:18,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2023-11-29 05:27:18,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,811 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2023-11-29 05:27:18,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:18,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:18,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:18,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2023-11-29 05:27:18,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,827 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2023-11-29 05:27:18,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:18,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:18,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2023-11-29 05:27:18,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,846 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2023-11-29 05:27:18,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:18,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:18,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2023-11-29 05:27:18,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,871 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2023-11-29 05:27:18,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:18,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:18,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,894 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2023-11-29 05:27:18,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:18,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:18,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,918 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2023-11-29 05:27:18,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:18,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:18,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:18,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:18,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:18,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,937 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2023-11-29 05:27:18,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:18,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:18,949 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-29 05:27:18,949 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:27:18,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:18,957 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2023-11-29 05:27:18,957 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 05:27:18,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:18,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2023-11-29 05:27:18,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:18,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:18,987 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:18,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2023-11-29 05:27:18,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:19,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:19,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:19,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:19,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:19,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:19,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:19,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:19,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2023-11-29 05:27:19,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:19,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:19,015 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:19,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2023-11-29 05:27:19,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:19,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:19,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:19,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:19,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:19,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:19,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:19,038 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:27:19,053 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-29 05:27:19,054 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-29 05:27:19,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:19,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:19,055 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:19,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2023-11-29 05:27:19,057 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:27:19,067 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:27:19,067 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:27:19,067 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_5, ULTIMATE.start_strstr_~haystack#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_5 - 1*ULTIMATE.start_strstr_~haystack#1.offset Supporting invariants [] [2023-11-29 05:27:19,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2023-11-29 05:27:19,158 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2023-11-29 05:27:19,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~haystack!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 05:27:19,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc20!base] could not be translated [2023-11-29 05:27:19,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:19,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:27:19,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:19,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:27:19,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:19,347 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2023-11-29 05:27:19,347 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2023-11-29 05:27:19,404 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) Result 49 states and 61 transitions. Complement of second has 8 states. [2023-11-29 05:27:19,404 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 [2023-11-29 05:27:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2023-11-29 05:27:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 41 transitions. [2023-11-29 05:27:19,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 30 letters. Loop has 4 letters. [2023-11-29 05:27:19,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:19,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 34 letters. Loop has 4 letters. [2023-11-29 05:27:19,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:19,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 30 letters. Loop has 8 letters. [2023-11-29 05:27:19,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:19,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 61 transitions. [2023-11-29 05:27:19,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:19,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 46 states and 55 transitions. [2023-11-29 05:27:19,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-29 05:27:19,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2023-11-29 05:27:19,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 55 transitions. [2023-11-29 05:27:19,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:19,408 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 55 transitions. [2023-11-29 05:27:19,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 55 transitions. [2023-11-29 05:27:19,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2023-11-29 05:27:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2) internal successors, (54), 44 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2023-11-29 05:27:19,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 54 transitions. [2023-11-29 05:27:19,411 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2023-11-29 05:27:19,411 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-29 05:27:19,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2023-11-29 05:27:19,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:19,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:19,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:19,412 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:19,412 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:19,413 INFO L748 eck$LassoCheckResult]: Stem: 2114#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2080#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 2081#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 2070#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 2071#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2072#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 2073#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 2079#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 2074#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 2075#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2076#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 2077#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2078#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2084#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2085#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2097#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2086#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2087#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2111#L510-5 strlen_#res#1 := strlen_~i~0#1; 2108#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2098#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2089#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2090#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2096#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2091#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2092#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2095#L510-11 strlen_#res#1 := strlen_~i~0#1; 2099#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 2088#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 2082#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 2083#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2109#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2101#L518-3 [2023-11-29 05:27:19,413 INFO L750 eck$LassoCheckResult]: Loop: 2101#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2112#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 2100#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 2101#L518-3 [2023-11-29 05:27:19,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:19,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1091824948, now seen corresponding path program 1 times [2023-11-29 05:27:19,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:19,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447330832] [2023-11-29 05:27:19,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:19,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:19,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:19,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:19,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:19,455 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 1 times [2023-11-29 05:27:19,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:19,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534111022] [2023-11-29 05:27:19,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:19,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:19,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:19,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:19,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:19,468 INFO L85 PathProgramCache]: Analyzing trace with hash 769802655, now seen corresponding path program 1 times [2023-11-29 05:27:19,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:19,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515004111] [2023-11-29 05:27:19,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:19,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:19,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:19,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:20,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2023-11-29 05:27:23,252 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:27:23,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:27:23,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:27:23,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:27:23,253 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:27:23,253 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:23,253 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:27:23,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:27:23,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration12_Lasso [2023-11-29 05:27:23,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:27:23,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:27:23,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:23,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:24,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:27:25,028 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:27:25,028 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:27:25,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,029 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2023-11-29 05:27:25,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2023-11-29 05:27:25,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,046 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2023-11-29 05:27:25,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2023-11-29 05:27:25,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,066 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2023-11-29 05:27:25,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2023-11-29 05:27:25,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,083 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2023-11-29 05:27:25,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2023-11-29 05:27:25,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,100 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2023-11-29 05:27:25,102 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 [2023-11-29 05:27:25,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2023-11-29 05:27:25,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,117 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2023-11-29 05:27:25,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:25,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,135 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2023-11-29 05:27:25,137 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 [2023-11-29 05:27:25,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:25,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,151 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2023-11-29 05:27:25,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2023-11-29 05:27:25,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,168 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2023-11-29 05:27:25,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2023-11-29 05:27:25,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,185 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2023-11-29 05:27:25,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2023-11-29 05:27:25,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,202 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2023-11-29 05:27:25,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2023-11-29 05:27:25,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,219 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2023-11-29 05:27:25,221 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 [2023-11-29 05:27:25,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2023-11-29 05:27:25,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,236 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2023-11-29 05:27:25,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2023-11-29 05:27:25,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,253 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2023-11-29 05:27:25,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:25,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,270 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2023-11-29 05:27:25,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:25,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,287 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2023-11-29 05:27:25,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2023-11-29 05:27:25,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,307 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2023-11-29 05:27:25,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2023-11-29 05:27:25,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,324 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2023-11-29 05:27:25,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2023-11-29 05:27:25,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,341 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2023-11-29 05:27:25,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2023-11-29 05:27:25,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,358 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2023-11-29 05:27:25,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2023-11-29 05:27:25,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,377 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2023-11-29 05:27:25,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:25,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,394 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2023-11-29 05:27:25,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2023-11-29 05:27:25,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,411 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2023-11-29 05:27:25,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2023-11-29 05:27:25,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,427 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2023-11-29 05:27:25,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2023-11-29 05:27:25,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,444 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2023-11-29 05:27:25,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2023-11-29 05:27:25,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,464 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2023-11-29 05:27:25,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2023-11-29 05:27:25,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,483 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2023-11-29 05:27:25,485 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 [2023-11-29 05:27:25,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2023-11-29 05:27:25,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,500 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2023-11-29 05:27:25,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2023-11-29 05:27:25,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,520 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2023-11-29 05:27:25,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2023-11-29 05:27:25,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,540 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2023-11-29 05:27:25,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2023-11-29 05:27:25,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,558 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2023-11-29 05:27:25,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2023-11-29 05:27:25,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,580 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2023-11-29 05:27:25,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2023-11-29 05:27:25,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,599 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2023-11-29 05:27:25,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2023-11-29 05:27:25,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,616 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2023-11-29 05:27:25,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2023-11-29 05:27:25,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,632 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2023-11-29 05:27:25,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:27:25,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:27:25,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:27:25,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2023-11-29 05:27:25,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,650 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2023-11-29 05:27:25,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2023-11-29 05:27:25,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,670 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2023-11-29 05:27:25,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2023-11-29 05:27:25,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,691 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2023-11-29 05:27:25,693 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 [2023-11-29 05:27:25,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2023-11-29 05:27:25,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,711 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2023-11-29 05:27:25,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,723 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-29 05:27:25,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,729 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 05:27:25,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2023-11-29 05:27:25,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,749 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2023-11-29 05:27:25,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2023-11-29 05:27:25,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,777 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2023-11-29 05:27:25,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2023-11-29 05:27:25,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,813 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2023-11-29 05:27:25,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2023-11-29 05:27:25,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,832 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2023-11-29 05:27:25,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:27:25,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2023-11-29 05:27:25,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,856 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2023-11-29 05:27:25,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:27:25,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:27:25,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:27:25,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:27:25,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:27:25,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:27:25,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:27:25,898 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:27:25,937 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-29 05:27:25,938 INFO L444 ModelExtractionUtils]: 3 out of 31 variables were initially zero. Simplification set additionally 25 variables to zero. [2023-11-29 05:27:25,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:27:25,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:25,939 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:27:25,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2023-11-29 05:27:25,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:27:25,951 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:27:25,951 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:27:25,951 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_memcmp_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc24#1.base)_5) = -1*ULTIMATE.start_memcmp_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc24#1.base)_5 Supporting invariants [] [2023-11-29 05:27:25,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2023-11-29 05:27:26,152 INFO L156 tatePredicateManager]: 39 out of 41 supporting invariants were superfluous and have been removed [2023-11-29 05:27:26,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc24!base] could not be translated [2023-11-29 05:27:26,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:26,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 05:27:26,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:26,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:27:26,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:27:26,364 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 [2023-11-29 05:27:26,365 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:26,441 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 68 states and 82 transitions. Complement of second has 9 states. [2023-11-29 05:27:26,442 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 [2023-11-29 05:27:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 39 transitions. [2023-11-29 05:27:26,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 32 letters. Loop has 3 letters. [2023-11-29 05:27:26,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:26,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 35 letters. Loop has 3 letters. [2023-11-29 05:27:26,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:26,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 32 letters. Loop has 6 letters. [2023-11-29 05:27:26,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:27:26,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 82 transitions. [2023-11-29 05:27:26,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:26,447 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 57 states and 68 transitions. [2023-11-29 05:27:26,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2023-11-29 05:27:26,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-29 05:27:26,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 68 transitions. [2023-11-29 05:27:26,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:26,447 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 68 transitions. [2023-11-29 05:27:26,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 68 transitions. [2023-11-29 05:27:26,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2023-11-29 05:27:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 53 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2023-11-29 05:27:26,450 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 65 transitions. [2023-11-29 05:27:26,450 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2023-11-29 05:27:26,451 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-29 05:27:26,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 65 transitions. [2023-11-29 05:27:26,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:26,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:26,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:26,453 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:26,453 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:26,453 INFO L748 eck$LassoCheckResult]: Stem: 2531#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2499#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 2500#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 2487#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 2488#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2489#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 2490#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 2496#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 2491#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 2492#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2493#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 2494#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2495#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2501#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2502#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2514#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2503#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2504#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2527#L510-5 strlen_#res#1 := strlen_~i~0#1; 2523#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2515#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2506#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2507#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2511#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2508#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2509#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2510#L510-11 strlen_#res#1 := strlen_~i~0#1; 2516#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 2505#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 2497#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 2498#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2525#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2526#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2530#L518-1 assume !(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1; 2512#L518-4 memcmp_#res#1 := 0; 2513#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 2532#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 2535#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 2534#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2524#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2518#L518-3 [2023-11-29 05:27:26,453 INFO L750 eck$LassoCheckResult]: Loop: 2518#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2528#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 2517#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 2518#L518-3 [2023-11-29 05:27:26,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:26,454 INFO L85 PathProgramCache]: Analyzing trace with hash -840479618, now seen corresponding path program 1 times [2023-11-29 05:27:26,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:26,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541463161] [2023-11-29 05:27:26,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:26,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 05:27:26,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:26,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541463161] [2023-11-29 05:27:26,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541463161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:26,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:26,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:27:26,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553834611] [2023-11-29 05:27:26,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:26,533 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:26,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 2 times [2023-11-29 05:27:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:26,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993421954] [2023-11-29 05:27:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:26,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:26,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:26,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:26,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:26,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:27:26,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:27:26,673 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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) [2023-11-29 05:27:26,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:26,689 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2023-11-29 05:27:26,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 66 transitions. [2023-11-29 05:27:26,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:26,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 53 states and 62 transitions. [2023-11-29 05:27:26,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2023-11-29 05:27:26,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-29 05:27:26,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 62 transitions. [2023-11-29 05:27:26,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:26,690 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 62 transitions. [2023-11-29 05:27:26,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 62 transitions. [2023-11-29 05:27:26,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-29 05:27:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.169811320754717) internal successors, (62), 52 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2023-11-29 05:27:26,693 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 62 transitions. [2023-11-29 05:27:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:27:26,694 INFO L428 stractBuchiCegarLoop]: Abstraction has 53 states and 62 transitions. [2023-11-29 05:27:26,694 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-29 05:27:26,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 62 transitions. [2023-11-29 05:27:26,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:26,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:26,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:26,696 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:26,696 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:26,696 INFO L748 eck$LassoCheckResult]: Stem: 2648#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2618#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 2619#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 2606#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 2607#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2608#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 2609#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 2615#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 2610#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 2611#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2612#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 2613#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2614#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2620#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2621#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2631#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2622#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2623#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2644#L510-5 strlen_#res#1 := strlen_~i~0#1; 2641#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2632#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2625#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2626#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2630#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2627#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2628#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2629#L510-11 strlen_#res#1 := strlen_~i~0#1; 2633#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 2624#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 2616#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 2617#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2643#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2637#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2651#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 2652#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 2649#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 2650#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 2654#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 2653#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2642#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2635#L518-3 [2023-11-29 05:27:26,696 INFO L750 eck$LassoCheckResult]: Loop: 2635#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2645#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 2634#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 2635#L518-3 [2023-11-29 05:27:26,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:26,696 INFO L85 PathProgramCache]: Analyzing trace with hash 762752838, now seen corresponding path program 1 times [2023-11-29 05:27:26,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:26,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891795156] [2023-11-29 05:27:26,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:26,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:26,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2023-11-29 05:27:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:27:26,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:26,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891795156] [2023-11-29 05:27:26,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891795156] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:26,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076067928] [2023-11-29 05:27:26,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:26,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:26,980 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:27,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (156)] Waiting until timeout for monitored process [2023-11-29 05:27:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:27,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-29 05:27:27,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:27,188 INFO L378 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 05:27:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:27:27,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:27:28,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076067928] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:27:28,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:27:28,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11] total 33 [2023-11-29 05:27:28,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947492567] [2023-11-29 05:27:28,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:27:28,027 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:28,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:28,027 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 3 times [2023-11-29 05:27:28,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:28,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156806757] [2023-11-29 05:27:28,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:28,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:28,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:28,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:28,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:28,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-29 05:27:28,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=939, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 05:27:28,152 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. cyclomatic complexity: 17 Second operand has 33 states, 33 states have (on average 3.212121212121212) internal successors, (106), 33 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:29,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:29,759 INFO L93 Difference]: Finished difference Result 260 states and 304 transitions. [2023-11-29 05:27:29,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 260 states and 304 transitions. [2023-11-29 05:27:29,761 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2023-11-29 05:27:29,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 260 states to 238 states and 281 transitions. [2023-11-29 05:27:29,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2023-11-29 05:27:29,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2023-11-29 05:27:29,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 238 states and 281 transitions. [2023-11-29 05:27:29,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:29,763 INFO L218 hiAutomatonCegarLoop]: Abstraction has 238 states and 281 transitions. [2023-11-29 05:27:29,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states and 281 transitions. [2023-11-29 05:27:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 88. [2023-11-29 05:27:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 87 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions. [2023-11-29 05:27:29,766 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 101 transitions. [2023-11-29 05:27:29,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-29 05:27:29,767 INFO L428 stractBuchiCegarLoop]: Abstraction has 88 states and 101 transitions. [2023-11-29 05:27:29,767 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-29 05:27:29,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 101 transitions. [2023-11-29 05:27:29,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:29,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:29,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:29,768 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:29,768 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:29,769 INFO L748 eck$LassoCheckResult]: Stem: 3332#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3297#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 3298#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 3285#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 3286#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3287#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 3288#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 3294#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 3289#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 3290#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 3291#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 3292#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 3293#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 3299#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3300#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3313#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3301#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3303#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 3328#L510-5 strlen_#res#1 := strlen_~i~0#1; 3325#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 3314#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 3315#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3311#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3312#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3307#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3308#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3339#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3338#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3309#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 3310#L510-11 strlen_#res#1 := strlen_~i~0#1; 3316#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 3304#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 3295#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 3296#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 3335#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 3320#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 3352#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 3350#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 3351#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 3349#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 3347#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 3346#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 3326#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 3318#L518-3 [2023-11-29 05:27:29,769 INFO L750 eck$LassoCheckResult]: Loop: 3318#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 3329#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 3317#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 3318#L518-3 [2023-11-29 05:27:29,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:29,769 INFO L85 PathProgramCache]: Analyzing trace with hash 717589665, now seen corresponding path program 2 times [2023-11-29 05:27:29,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:29,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028655870] [2023-11-29 05:27:29,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:29,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,245 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 05:27:30,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:30,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028655870] [2023-11-29 05:27:30,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028655870] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:30,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999584788] [2023-11-29 05:27:30,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:27:30,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:30,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:30,247 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:30,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (157)] Waiting until timeout for monitored process [2023-11-29 05:27:30,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 05:27:30,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:27:30,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 86 conjunts are in the unsatisfiable core [2023-11-29 05:27:30,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:30,708 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 05:27:30,708 INFO L378 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 29 treesize of output 13 [2023-11-29 05:27:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 05:27:30,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:30,838 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2023-11-29 05:27:30,839 INFO L378 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 28 treesize of output 1 [2023-11-29 05:27:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:27:30,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999584788] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:30,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:27:30,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12, 14] total 26 [2023-11-29 05:27:30,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386557148] [2023-11-29 05:27:30,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:30,841 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:30,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:30,841 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 4 times [2023-11-29 05:27:30,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:30,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144406471] [2023-11-29 05:27:30,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:30,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:30,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:30,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:30,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:30,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:27:30,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2023-11-29 05:27:30,966 INFO L87 Difference]: Start difference. First operand 88 states and 101 transitions. cyclomatic complexity: 22 Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 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) [2023-11-29 05:27:31,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:31,085 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2023-11-29 05:27:31,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 117 transitions. [2023-11-29 05:27:31,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:31,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 100 states and 113 transitions. [2023-11-29 05:27:31,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2023-11-29 05:27:31,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-29 05:27:31,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 113 transitions. [2023-11-29 05:27:31,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:31,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 113 transitions. [2023-11-29 05:27:31,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 113 transitions. [2023-11-29 05:27:31,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2023-11-29 05:27:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.1397849462365592) internal successors, (106), 92 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2023-11-29 05:27:31,089 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 106 transitions. [2023-11-29 05:27:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:27:31,092 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 106 transitions. [2023-11-29 05:27:31,092 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-29 05:27:31,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 106 transitions. [2023-11-29 05:27:31,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:31,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:31,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:31,093 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:31,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:31,093 INFO L748 eck$LassoCheckResult]: Stem: 3809#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3776#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 3777#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 3766#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 3767#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3768#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 3769#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 3775#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 3770#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 3771#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 3772#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 3773#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 3774#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 3780#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3781#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3793#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3794#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3837#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 3836#L510-5 strlen_#res#1 := strlen_~i~0#1; 3805#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 3795#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 3786#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3787#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3792#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3788#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3789#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3853#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3852#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 3851#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 3850#L510-11 strlen_#res#1 := strlen_~i~0#1; 3849#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 3848#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 3847#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 3815#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 3816#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 3811#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 3812#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 3818#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 3855#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 3854#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 3825#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 3824#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 3822#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 3820#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 3819#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 3806#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 3798#L518-3 [2023-11-29 05:27:31,094 INFO L750 eck$LassoCheckResult]: Loop: 3798#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 3810#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 3797#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 3798#L518-3 [2023-11-29 05:27:31,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:31,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1780692618, now seen corresponding path program 1 times [2023-11-29 05:27:31,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:31,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900416544] [2023-11-29 05:27:31,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:31,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 05:27:31,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:31,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900416544] [2023-11-29 05:27:31,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900416544] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:31,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779608874] [2023-11-29 05:27:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:31,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:31,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:31,327 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:31,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Waiting until timeout for monitored process [2023-11-29 05:27:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:31,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 05:27:31,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:31,546 INFO L378 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:27:31,578 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 05:27:31,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 05:27:31,628 INFO L378 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 16 treesize of output 11 [2023-11-29 05:27:31,650 INFO L378 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 16 treesize of output 11 [2023-11-29 05:27:31,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2023-11-29 05:27:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 05:27:31,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:32,008 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:27:32,009 INFO L378 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 23 treesize of output 24 [2023-11-29 05:27:32,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:27:32,016 INFO L378 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 37 treesize of output 32 [2023-11-29 05:27:32,021 INFO L378 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 11 treesize of output 7 [2023-11-29 05:27:32,225 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-29 05:27:32,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2023-11-29 05:27:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 05:27:32,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779608874] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:27:32,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:27:32,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 29 [2023-11-29 05:27:32,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214959706] [2023-11-29 05:27:32,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:27:32,252 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:32,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:32,252 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 5 times [2023-11-29 05:27:32,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:32,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732675580] [2023-11-29 05:27:32,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:32,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:32,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:32,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:32,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-29 05:27:32,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=737, Unknown=0, NotChecked=0, Total=812 [2023-11-29 05:27:32,388 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. cyclomatic complexity: 22 Second operand has 29 states, 29 states have (on average 3.3448275862068964) internal successors, (97), 29 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:33,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:33,433 INFO L93 Difference]: Finished difference Result 225 states and 254 transitions. [2023-11-29 05:27:33,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 254 transitions. [2023-11-29 05:27:33,434 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-29 05:27:33,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 187 states and 214 transitions. [2023-11-29 05:27:33,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2023-11-29 05:27:33,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2023-11-29 05:27:33,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 187 states and 214 transitions. [2023-11-29 05:27:33,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:33,435 INFO L218 hiAutomatonCegarLoop]: Abstraction has 187 states and 214 transitions. [2023-11-29 05:27:33,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states and 214 transitions. [2023-11-29 05:27:33,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 109. [2023-11-29 05:27:33,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 109 states have (on average 1.1376146788990826) internal successors, (124), 108 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:33,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 124 transitions. [2023-11-29 05:27:33,439 INFO L240 hiAutomatonCegarLoop]: Abstraction has 109 states and 124 transitions. [2023-11-29 05:27:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 05:27:33,440 INFO L428 stractBuchiCegarLoop]: Abstraction has 109 states and 124 transitions. [2023-11-29 05:27:33,440 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2023-11-29 05:27:33,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 124 transitions. [2023-11-29 05:27:33,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:33,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:33,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:33,441 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:33,442 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:33,442 INFO L748 eck$LassoCheckResult]: Stem: 4492#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4451#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 4452#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 4439#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 4440#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4444#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 4517#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 4516#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 4515#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 4482#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 4483#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 4514#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 4513#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 4512#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 4511#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 4510#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 4509#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 4505#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 4507#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 4504#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 4503#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 4502#L510-5 strlen_#res#1 := strlen_~i~0#1; 4501#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 4500#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 4499#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 4498#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 4484#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 4460#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 4461#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 4464#L510-11 strlen_#res#1 := strlen_~i~0#1; 4470#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 4459#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 4453#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 4454#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 4529#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 4528#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 4526#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 4527#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 4525#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 4524#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 4523#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 4493#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 4475#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 4476#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 4477#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 4521#L533 assume !strstr_#t~short17#1; 4520#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 4519#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 4518#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 4479#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 4472#L518-3 [2023-11-29 05:27:33,442 INFO L750 eck$LassoCheckResult]: Loop: 4472#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 4489#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 4471#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 4472#L518-3 [2023-11-29 05:27:33,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:33,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1191678414, now seen corresponding path program 1 times [2023-11-29 05:27:33,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:33,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464350022] [2023-11-29 05:27:33,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:33,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:27:33,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:33,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464350022] [2023-11-29 05:27:33,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464350022] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:33,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391458286] [2023-11-29 05:27:33,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:33,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:33,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:33,739 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:33,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Waiting until timeout for monitored process [2023-11-29 05:27:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:33,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 05:27:33,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:33,998 INFO L378 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:27:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 05:27:34,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:34,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 13 [2023-11-29 05:27:34,164 INFO L378 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 16 treesize of output 12 [2023-11-29 05:27:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 05:27:34,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391458286] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:27:34,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:27:34,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 10] total 27 [2023-11-29 05:27:34,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495238005] [2023-11-29 05:27:34,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:27:34,265 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:34,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:34,266 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 6 times [2023-11-29 05:27:34,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:34,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17229040] [2023-11-29 05:27:34,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:34,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:34,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:34,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:34,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:34,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 05:27:34,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2023-11-29 05:27:34,382 INFO L87 Difference]: Start difference. First operand 109 states and 124 transitions. cyclomatic complexity: 26 Second operand has 27 states, 27 states have (on average 2.962962962962963) internal successors, (80), 27 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:34,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:34,774 INFO L93 Difference]: Finished difference Result 265 states and 300 transitions. [2023-11-29 05:27:34,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 300 transitions. [2023-11-29 05:27:34,776 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2023-11-29 05:27:34,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 238 states and 272 transitions. [2023-11-29 05:27:34,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2023-11-29 05:27:34,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2023-11-29 05:27:34,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 238 states and 272 transitions. [2023-11-29 05:27:34,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:34,778 INFO L218 hiAutomatonCegarLoop]: Abstraction has 238 states and 272 transitions. [2023-11-29 05:27:34,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states and 272 transitions. [2023-11-29 05:27:34,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 127. [2023-11-29 05:27:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 1.125984251968504) internal successors, (143), 126 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 143 transitions. [2023-11-29 05:27:34,781 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 143 transitions. [2023-11-29 05:27:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 05:27:34,784 INFO L428 stractBuchiCegarLoop]: Abstraction has 127 states and 143 transitions. [2023-11-29 05:27:34,784 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2023-11-29 05:27:34,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states and 143 transitions. [2023-11-29 05:27:34,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:34,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:34,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:34,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:34,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:34,785 INFO L748 eck$LassoCheckResult]: Stem: 5217#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5175#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 5176#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 5163#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 5164#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 5165#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 5167#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 5251#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 5250#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 5249#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 5168#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 5169#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 5170#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 5171#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 5244#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 5172#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 5173#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 5179#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5180#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5191#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5181#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5182#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5245#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5246#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5210#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 5211#L510-5 strlen_#res#1 := strlen_~i~0#1; 5204#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 5205#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 5184#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5185#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5190#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5186#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5187#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5276#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5258#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5188#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 5189#L510-11 strlen_#res#1 := strlen_~i~0#1; 5196#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 5183#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 5177#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 5178#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 5220#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 5215#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 5216#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 5199#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 5200#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 5281#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 5277#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 5257#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 5255#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 5253#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 5252#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 5206#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 5198#L518-3 [2023-11-29 05:27:34,785 INFO L750 eck$LassoCheckResult]: Loop: 5198#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 5214#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 5197#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 5198#L518-3 [2023-11-29 05:27:34,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:34,785 INFO L85 PathProgramCache]: Analyzing trace with hash -131927407, now seen corresponding path program 2 times [2023-11-29 05:27:34,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:34,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636280081] [2023-11-29 05:27:34,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:34,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:27:35,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:35,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636280081] [2023-11-29 05:27:35,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636280081] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:35,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214271758] [2023-11-29 05:27:35,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:27:35,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:35,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:35,180 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:35,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Waiting until timeout for monitored process [2023-11-29 05:27:35,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 05:27:35,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:27:35,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 05:27:35,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:27:35,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:27:35,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214271758] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:27:35,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:27:35,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 31 [2023-11-29 05:27:35,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489621362] [2023-11-29 05:27:35,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:27:35,764 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:35,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:35,764 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 7 times [2023-11-29 05:27:35,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:35,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741837680] [2023-11-29 05:27:35,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:35,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:35,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:35,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:35,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:35,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-29 05:27:35,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=831, Unknown=0, NotChecked=0, Total=930 [2023-11-29 05:27:35,909 INFO L87 Difference]: Start difference. First operand 127 states and 143 transitions. cyclomatic complexity: 27 Second operand has 31 states, 31 states have (on average 3.032258064516129) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:36,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:36,256 INFO L93 Difference]: Finished difference Result 225 states and 254 transitions. [2023-11-29 05:27:36,256 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 254 transitions. [2023-11-29 05:27:36,258 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-29 05:27:36,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 204 states and 232 transitions. [2023-11-29 05:27:36,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2023-11-29 05:27:36,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2023-11-29 05:27:36,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 232 transitions. [2023-11-29 05:27:36,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:36,260 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 232 transitions. [2023-11-29 05:27:36,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 232 transitions. [2023-11-29 05:27:36,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2023-11-29 05:27:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 130 states have (on average 1.123076923076923) internal successors, (146), 129 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 146 transitions. [2023-11-29 05:27:36,265 INFO L240 hiAutomatonCegarLoop]: Abstraction has 130 states and 146 transitions. [2023-11-29 05:27:36,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:27:36,266 INFO L428 stractBuchiCegarLoop]: Abstraction has 130 states and 146 transitions. [2023-11-29 05:27:36,266 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2023-11-29 05:27:36,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 146 transitions. [2023-11-29 05:27:36,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:36,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:36,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:36,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:36,268 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:36,268 INFO L748 eck$LassoCheckResult]: Stem: 5923#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5884#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 5885#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 5871#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 5872#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 5873#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 5874#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 5883#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 5877#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 5878#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 5879#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 5880#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 5951#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 5881#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 5882#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 5903#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5946#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5945#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5944#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5943#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5942#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5941#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5939#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5940#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5938#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5937#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 5936#L510-5 strlen_#res#1 := strlen_~i~0#1; 5935#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 5934#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 5933#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5932#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5916#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5917#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 5967#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 5980#L510-11 strlen_#res#1 := strlen_~i~0#1; 5979#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 5978#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 5977#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 5976#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 5974#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 5973#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 5971#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 5972#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 5970#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 5969#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 5968#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 5927#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 5928#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 5990#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 5991#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 5965#L533 assume !strstr_#t~short17#1; 5964#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 5962#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 5961#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 5914#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 5906#L518-3 [2023-11-29 05:27:36,268 INFO L750 eck$LassoCheckResult]: Loop: 5906#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 5924#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 5905#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 5906#L518-3 [2023-11-29 05:27:36,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:36,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1146910187, now seen corresponding path program 2 times [2023-11-29 05:27:36,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:36,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677930414] [2023-11-29 05:27:36,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:36,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 05:27:36,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:36,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677930414] [2023-11-29 05:27:36,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677930414] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:36,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238835428] [2023-11-29 05:27:36,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:27:36,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:36,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:36,575 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:36,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2023-11-29 05:27:36,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 05:27:36,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:27:36,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-29 05:27:36,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:36,824 INFO L378 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:27:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 05:27:36,922 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:37,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 13 [2023-11-29 05:27:37,047 INFO L378 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 16 treesize of output 12 [2023-11-29 05:27:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 05:27:37,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238835428] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:27:37,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:27:37,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 30 [2023-11-29 05:27:37,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451341848] [2023-11-29 05:27:37,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:27:37,197 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:37,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:37,197 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 8 times [2023-11-29 05:27:37,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:37,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430647806] [2023-11-29 05:27:37,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:37,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:37,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:37,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:37,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:37,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 05:27:37,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2023-11-29 05:27:37,338 INFO L87 Difference]: Start difference. First operand 130 states and 146 transitions. cyclomatic complexity: 27 Second operand has 30 states, 30 states have (on average 3.033333333333333) internal successors, (91), 30 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:38,238 INFO L93 Difference]: Finished difference Result 386 states and 437 transitions. [2023-11-29 05:27:38,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 386 states and 437 transitions. [2023-11-29 05:27:38,240 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2023-11-29 05:27:38,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 386 states to 362 states and 412 transitions. [2023-11-29 05:27:38,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2023-11-29 05:27:38,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 131 [2023-11-29 05:27:38,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 362 states and 412 transitions. [2023-11-29 05:27:38,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:38,243 INFO L218 hiAutomatonCegarLoop]: Abstraction has 362 states and 412 transitions. [2023-11-29 05:27:38,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states and 412 transitions. [2023-11-29 05:27:38,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 154. [2023-11-29 05:27:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.1168831168831168) internal successors, (172), 153 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 172 transitions. [2023-11-29 05:27:38,249 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 172 transitions. [2023-11-29 05:27:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 05:27:38,250 INFO L428 stractBuchiCegarLoop]: Abstraction has 154 states and 172 transitions. [2023-11-29 05:27:38,250 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2023-11-29 05:27:38,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 172 transitions. [2023-11-29 05:27:38,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:38,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:38,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:38,251 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:38,251 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:38,252 INFO L748 eck$LassoCheckResult]: Stem: 6845#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6801#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 6802#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 6788#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 6789#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 6793#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 6792#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 6790#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 6791#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 6800#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 6794#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 6795#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 6796#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 6797#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 6835#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 6798#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 6799#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 6883#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 6860#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 6861#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 6876#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 6877#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 6817#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 6818#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 6838#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 6839#L510-5 strlen_#res#1 := strlen_~i~0#1; 6832#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 6821#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 6822#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 6929#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 6928#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 6927#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 6811#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 6816#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 6812#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 6813#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 6926#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 6925#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 6814#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 6815#L510-11 strlen_#res#1 := strlen_~i~0#1; 6824#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 6809#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 6803#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 6804#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 6848#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 6843#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 6844#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 6827#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 6828#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 6936#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 6921#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 6896#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 6894#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 6892#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 6891#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 6833#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 6826#L518-3 [2023-11-29 05:27:38,252 INFO L750 eck$LassoCheckResult]: Loop: 6826#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 6842#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 6825#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 6826#L518-3 [2023-11-29 05:27:38,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:38,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1303219306, now seen corresponding path program 3 times [2023-11-29 05:27:38,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:38,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846791951] [2023-11-29 05:27:38,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:38,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 05:27:38,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:38,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846791951] [2023-11-29 05:27:38,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846791951] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:38,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014937417] [2023-11-29 05:27:38,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 05:27:38,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:38,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:38,829 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:38,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Waiting until timeout for monitored process [2023-11-29 05:27:39,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-29 05:27:39,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:27:39,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-29 05:27:39,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:39,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 05:27:39,115 INFO L378 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 05:27:39,148 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 05:27:39,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 05:27:39,179 INFO L378 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 18 treesize of output 13 [2023-11-29 05:27:39,190 INFO L378 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 18 treesize of output 13 [2023-11-29 05:27:39,205 INFO L378 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 18 treesize of output 13 [2023-11-29 05:27:39,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2023-11-29 05:27:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 05:27:39,363 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:39,478 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_457 (Array Int Int))) (= (select (select (store |c_#memory_int#0| |c_ULTIMATE.start_main_~needle~0#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~hay~0#1.base|) (+ 2 |c_ULTIMATE.start_main_~hay~0#1.offset|)) 0)) is different from false [2023-11-29 05:27:39,549 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:27:39,550 INFO L378 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 23 treesize of output 24 [2023-11-29 05:27:39,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:27:39,558 INFO L378 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 37 treesize of output 32 [2023-11-29 05:27:39,562 INFO L378 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 11 treesize of output 7 [2023-11-29 05:27:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 05:27:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014937417] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:27:39,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:27:39,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2023-11-29 05:27:39,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477045046] [2023-11-29 05:27:39,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:27:39,834 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:39,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:39,834 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 9 times [2023-11-29 05:27:39,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:39,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165984835] [2023-11-29 05:27:39,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:39,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:39,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:39,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:39,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:39,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-29 05:27:39,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1163, Unknown=1, NotChecked=68, Total=1332 [2023-11-29 05:27:39,997 INFO L87 Difference]: Start difference. First operand 154 states and 172 transitions. cyclomatic complexity: 29 Second operand has 37 states, 37 states have (on average 2.6216216216216215) internal successors, (97), 37 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:41,093 INFO L93 Difference]: Finished difference Result 333 states and 374 transitions. [2023-11-29 05:27:41,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 333 states and 374 transitions. [2023-11-29 05:27:41,095 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-29 05:27:41,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 333 states to 312 states and 351 transitions. [2023-11-29 05:27:41,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 109 [2023-11-29 05:27:41,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 118 [2023-11-29 05:27:41,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 351 transitions. [2023-11-29 05:27:41,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:41,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 312 states and 351 transitions. [2023-11-29 05:27:41,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 351 transitions. [2023-11-29 05:27:41,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 199. [2023-11-29 05:27:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 199 states have (on average 1.1155778894472361) internal successors, (222), 198 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 222 transitions. [2023-11-29 05:27:41,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 199 states and 222 transitions. [2023-11-29 05:27:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 05:27:41,105 INFO L428 stractBuchiCegarLoop]: Abstraction has 199 states and 222 transitions. [2023-11-29 05:27:41,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2023-11-29 05:27:41,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 199 states and 222 transitions. [2023-11-29 05:27:41,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:41,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:41,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:41,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:41,107 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:41,107 INFO L748 eck$LassoCheckResult]: Stem: 7737#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7693#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 7694#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 7680#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 7681#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 7682#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 7684#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 7685#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 7765#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 7816#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 7815#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 7814#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 7688#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 7689#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 7773#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 7769#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 7770#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 7690#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 7691#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 7834#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 7833#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 7832#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 7831#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 7830#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 7829#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 7827#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 7828#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 7824#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 7825#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 7819#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 7820#L510-5 strlen_#res#1 := strlen_~i~0#1; 7724#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 7725#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 7790#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 7791#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 7787#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 7783#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 7784#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 7730#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 7731#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 7847#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 7846#L510-11 strlen_#res#1 := strlen_~i~0#1; 7845#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 7844#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 7695#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 7696#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 7743#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 7873#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 7872#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 7719#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 7720#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 7746#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 7747#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 7778#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 7776#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 7771#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 7768#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 7726#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 7718#L518-3 [2023-11-29 05:27:41,107 INFO L750 eck$LassoCheckResult]: Loop: 7718#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 7738#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 7717#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 7718#L518-3 [2023-11-29 05:27:41,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:41,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2019938312, now seen corresponding path program 4 times [2023-11-29 05:27:41,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:41,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003852613] [2023-11-29 05:27:41,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:41,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-29 05:27:41,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:41,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003852613] [2023-11-29 05:27:41,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003852613] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:27:41,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380490451] [2023-11-29 05:27:41,454 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 05:27:41,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:27:41,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:27:41,455 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:27:41,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Waiting until timeout for monitored process [2023-11-29 05:27:41,641 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 05:27:41,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:27:41,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 05:27:41,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:27:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:27:41,759 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:27:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 05:27:42,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380490451] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:27:42,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:27:42,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 16] total 32 [2023-11-29 05:27:42,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851311770] [2023-11-29 05:27:42,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:27:42,273 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:27:42,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:42,274 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 10 times [2023-11-29 05:27:42,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:42,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916947274] [2023-11-29 05:27:42,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:42,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:42,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:42,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:42,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:42,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-29 05:27:42,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=875, Unknown=0, NotChecked=0, Total=992 [2023-11-29 05:27:42,408 INFO L87 Difference]: Start difference. First operand 199 states and 222 transitions. cyclomatic complexity: 36 Second operand has 32 states, 32 states have (on average 2.84375) internal successors, (91), 32 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:45,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:45,337 INFO L93 Difference]: Finished difference Result 677 states and 773 transitions. [2023-11-29 05:27:45,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 677 states and 773 transitions. [2023-11-29 05:27:45,340 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2023-11-29 05:27:45,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 677 states to 599 states and 683 transitions. [2023-11-29 05:27:45,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 214 [2023-11-29 05:27:45,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 214 [2023-11-29 05:27:45,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 599 states and 683 transitions. [2023-11-29 05:27:45,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:27:45,344 INFO L218 hiAutomatonCegarLoop]: Abstraction has 599 states and 683 transitions. [2023-11-29 05:27:45,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states and 683 transitions. [2023-11-29 05:27:45,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 222. [2023-11-29 05:27:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 222 states have (on average 1.117117117117117) internal successors, (248), 221 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:27:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 248 transitions. [2023-11-29 05:27:45,349 INFO L240 hiAutomatonCegarLoop]: Abstraction has 222 states and 248 transitions. [2023-11-29 05:27:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-29 05:27:45,350 INFO L428 stractBuchiCegarLoop]: Abstraction has 222 states and 248 transitions. [2023-11-29 05:27:45,350 INFO L335 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2023-11-29 05:27:45,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 248 transitions. [2023-11-29 05:27:45,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:27:45,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:27:45,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:27:45,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:45,352 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:27:45,353 INFO L748 eck$LassoCheckResult]: Stem: 9070#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9031#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 9032#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 9017#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 9018#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 9019#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 9021#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 9022#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 9096#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 9095#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 9094#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 9093#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 9092#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 9091#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 9090#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 9089#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 9087#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 9086#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 9084#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 9085#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 9080#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 9081#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 9082#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 9083#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 9047#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 9048#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 9068#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 9069#L510-5 strlen_#res#1 := strlen_~i~0#1; 9060#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 9050#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 9040#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 9041#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 9235#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 9236#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 9237#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 9238#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 9042#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 9043#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 9046#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 9067#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 9044#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 9045#L510-11 strlen_#res#1 := strlen_~i~0#1; 9052#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 9039#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 9033#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 9034#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 9076#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 9072#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 9073#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 9077#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 9229#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 9230#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 9181#L519 assume 0 != memcmp_~r~0#1;havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#res#1 := memcmp_~r~0#1; 9182#memcmp_returnLabel#1 strstr_#t~ret16#1 := memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;havoc memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1;assume { :end_inline_memcmp } true;strstr_#t~short17#1 := 0 == strstr_#t~ret16#1; 9183#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 9179#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 9178#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 9061#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 9054#L518-3 [2023-11-29 05:27:45,353 INFO L750 eck$LassoCheckResult]: Loop: 9054#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 9071#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 9053#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 9054#L518-3 [2023-11-29 05:27:45,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:45,353 INFO L85 PathProgramCache]: Analyzing trace with hash 259249140, now seen corresponding path program 5 times [2023-11-29 05:27:45,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:45,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941115760] [2023-11-29 05:27:45,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:45,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:45,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:45,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:45,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:45,420 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 11 times [2023-11-29 05:27:45,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:45,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632790370] [2023-11-29 05:27:45,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:45,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:45,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:45,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:27:45,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:45,428 INFO L85 PathProgramCache]: Analyzing trace with hash 940040927, now seen corresponding path program 6 times [2023-11-29 05:27:45,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:45,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957727373] [2023-11-29 05:27:45,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:45,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:45,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:27:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:27:45,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:28:00,977 WARN L293 SmtUtils]: Spent 15.28s on a formula simplification. DAG size of input: 544 DAG size of output: 394 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-29 05:28:03,886 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:28:03,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:28:03,886 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:28:03,886 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:28:03,886 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:28:03,886 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:03,886 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:28:03,887 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:28:03,887 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration22_Lasso [2023-11-29 05:28:03,887 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:28:03,887 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:28:03,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:03,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:06,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:06,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:06,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:06,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:06,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:28:08,122 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:28:08,122 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:28:08,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,123 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2023-11-29 05:28:08,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2023-11-29 05:28:08,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,140 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2023-11-29 05:28:08,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2023-11-29 05:28:08,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,157 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2023-11-29 05:28:08,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2023-11-29 05:28:08,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,173 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2023-11-29 05:28:08,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2023-11-29 05:28:08,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,191 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2023-11-29 05:28:08,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2023-11-29 05:28:08,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,207 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2023-11-29 05:28:08,209 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 [2023-11-29 05:28:08,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2023-11-29 05:28:08,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,228 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2023-11-29 05:28:08,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2023-11-29 05:28:08,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,246 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2023-11-29 05:28:08,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2023-11-29 05:28:08,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,263 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2023-11-29 05:28:08,265 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 [2023-11-29 05:28:08,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2023-11-29 05:28:08,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,279 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2023-11-29 05:28:08,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2023-11-29 05:28:08,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,296 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2023-11-29 05:28:08,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2023-11-29 05:28:08,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,313 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2023-11-29 05:28:08,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2023-11-29 05:28:08,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,330 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2023-11-29 05:28:08,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2023-11-29 05:28:08,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,347 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2023-11-29 05:28:08,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2023-11-29 05:28:08,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,363 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2023-11-29 05:28:08,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2023-11-29 05:28:08,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,380 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2023-11-29 05:28:08,383 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 [2023-11-29 05:28:08,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Forceful destruction successful, exit code 0 [2023-11-29 05:28:08,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,398 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2023-11-29 05:28:08,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2023-11-29 05:28:08,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,415 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2023-11-29 05:28:08,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2023-11-29 05:28:08,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,434 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2023-11-29 05:28:08,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2023-11-29 05:28:08,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,451 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2023-11-29 05:28:08,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2023-11-29 05:28:08,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,467 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2023-11-29 05:28:08,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2023-11-29 05:28:08,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,484 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2023-11-29 05:28:08,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2023-11-29 05:28:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,501 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2023-11-29 05:28:08,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2023-11-29 05:28:08,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,517 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2023-11-29 05:28:08,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2023-11-29 05:28:08,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,543 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2023-11-29 05:28:08,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2023-11-29 05:28:08,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,559 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2023-11-29 05:28:08,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2023-11-29 05:28:08,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,575 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2023-11-29 05:28:08,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2023-11-29 05:28:08,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,595 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2023-11-29 05:28:08,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2023-11-29 05:28:08,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,615 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2023-11-29 05:28:08,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2023-11-29 05:28:08,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,633 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2023-11-29 05:28:08,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2023-11-29 05:28:08,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,650 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2023-11-29 05:28:08,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2023-11-29 05:28:08,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,667 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2023-11-29 05:28:08,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2023-11-29 05:28:08,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,685 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2023-11-29 05:28:08,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2023-11-29 05:28:08,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,704 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2023-11-29 05:28:08,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2023-11-29 05:28:08,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,723 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2023-11-29 05:28:08,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2023-11-29 05:28:08,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,741 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2023-11-29 05:28:08,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2023-11-29 05:28:08,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,768 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2023-11-29 05:28:08,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2023-11-29 05:28:08,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,784 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2023-11-29 05:28:08,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2023-11-29 05:28:08,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,801 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2023-11-29 05:28:08,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2023-11-29 05:28:08,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,820 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2023-11-29 05:28:08,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2023-11-29 05:28:08,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,837 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2023-11-29 05:28:08,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:28:08,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:28:08,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:28:08,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2023-11-29 05:28:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,854 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2023-11-29 05:28:08,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:28:08,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2023-11-29 05:28:08,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,873 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2023-11-29 05:28:08,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:28:08,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:28:08,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:28:08,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:28:08,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:28:08,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:28:08,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:28:08,899 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:28:08,920 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-29 05:28:08,920 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-29 05:28:08,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:28:08,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:08,921 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:08,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2023-11-29 05:28:08,923 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:28:08,933 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:28:08,933 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:28:08,934 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_memcmp_~s~0#1.offset, v_rep(select #length ULTIMATE.start_strstr_~needle#1.base)_4) = -1*ULTIMATE.start_memcmp_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_strstr_~needle#1.base)_4 Supporting invariants [] [2023-11-29 05:28:08,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2023-11-29 05:28:09,427 INFO L156 tatePredicateManager]: 75 out of 76 supporting invariants were superfluous and have been removed [2023-11-29 05:28:09,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~needle!base] could not be translated [2023-11-29 05:28:09,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:09,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:28:09,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:28:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:09,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:28:09,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:28:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:28:09,596 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 05:28:09,596 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 222 states and 248 transitions. cyclomatic complexity: 39 Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:28:09,632 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 222 states and 248 transitions. cyclomatic complexity: 39. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 233 states and 261 transitions. Complement of second has 7 states. [2023-11-29 05:28:09,633 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 [2023-11-29 05:28:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:28:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2023-11-29 05:28:09,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 58 letters. Loop has 3 letters. [2023-11-29 05:28:09,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:28:09,634 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 05:28:09,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:09,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:28:09,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:28:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:09,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:28:09,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:28:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:28:09,838 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 05:28:09,838 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 222 states and 248 transitions. cyclomatic complexity: 39 Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:28:09,873 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 222 states and 248 transitions. cyclomatic complexity: 39. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 233 states and 261 transitions. Complement of second has 7 states. [2023-11-29 05:28:09,875 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 [2023-11-29 05:28:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:28:09,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2023-11-29 05:28:09,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 58 letters. Loop has 3 letters. [2023-11-29 05:28:09,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:28:09,876 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 05:28:09,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:09,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:28:09,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:28:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:10,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:28:10,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:28:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:28:10,078 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 05:28:10,079 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 222 states and 248 transitions. cyclomatic complexity: 39 Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:28:10,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 222 states and 248 transitions. cyclomatic complexity: 39. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 239 states and 269 transitions. Complement of second has 6 states. [2023-11-29 05:28:10,116 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 [2023-11-29 05:28:10,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:28:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2023-11-29 05:28:10,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 58 letters. Loop has 3 letters. [2023-11-29 05:28:10,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:28:10,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 61 letters. Loop has 3 letters. [2023-11-29 05:28:10,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:28:10,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 58 letters. Loop has 6 letters. [2023-11-29 05:28:10,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:28:10,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 239 states and 269 transitions. [2023-11-29 05:28:10,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:28:10,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 239 states to 0 states and 0 transitions. [2023-11-29 05:28:10,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 05:28:10,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 05:28:10,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 05:28:10,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:28:10,120 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:28:10,120 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:28:10,120 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:28:10,120 INFO L335 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2023-11-29 05:28:10,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:28:10,120 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:28:10,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 05:28:10,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:28:10 BoogieIcfgContainer [2023-11-29 05:28:10,126 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:28:10,126 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:28:10,126 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:28:10,127 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:28:10,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:27:03" (3/4) ... [2023-11-29 05:28:10,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:28:10,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:28:10,130 INFO L158 Benchmark]: Toolchain (without parser) took 68003.27ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 121.8MB in the beginning and 106.8MB in the end (delta: 15.1MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. [2023-11-29 05:28:10,130 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:28:10,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.98ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 104.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:28:10,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.44ms. Allocated memory is still 167.8MB. Free memory was 104.6MB in the beginning and 102.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:28:10,131 INFO L158 Benchmark]: Boogie Preprocessor took 53.63ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 99.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:28:10,131 INFO L158 Benchmark]: RCFGBuilder took 394.24ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 126.4MB in the end (delta: -27.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-29 05:28:10,132 INFO L158 Benchmark]: BuchiAutomizer took 67091.12ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 126.4MB in the beginning and 107.8MB in the end (delta: 18.6MB). Peak memory consumption was 203.0MB. Max. memory is 16.1GB. [2023-11-29 05:28:10,132 INFO L158 Benchmark]: Witness Printer took 3.01ms. Allocated memory is still 352.3MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:28:10,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.98ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 104.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.44ms. Allocated memory is still 167.8MB. Free memory was 104.6MB in the beginning and 102.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.63ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 99.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.24ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 126.4MB in the end (delta: -27.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 67091.12ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 126.4MB in the beginning and 107.8MB in the end (delta: 18.6MB). Peak memory consumption was 203.0MB. Max. memory is 16.1GB. * Witness Printer took 3.01ms. Allocated memory is still 352.3MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 1.0MB). 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~malloc20!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc24!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~hay~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~haystack!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc20!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc24!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~needle!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 22 terminating modules (15 trivial, 6 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function ((-1 * i) + out_len) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 6 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 15 modules have a trivial ranking function, the largest among these consists of 37 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 67.0s and 23 iterations. TraceHistogramMax:4. Analysis of lassos took 55.8s. Construction of modules took 2.7s. Büchi inclusion checks took 8.2s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 17. Automata minimization 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 1197 StatesRemovedByMinimization, 16 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 [6, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3031 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3030 mSDsluCounter, 6997 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 106 IncrementalHoareTripleChecker+Unchecked, 6185 mSDsCounter, 229 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5197 IncrementalHoareTripleChecker+Invalid, 5532 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 229 mSolverCounterUnsat, 812 mSDtfsCounter, 5197 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU13 SILI0 SILT0 lasso7 LassoPreprocessingBenchmarks: Lassos: inital246 mio100 ax100 hnf100 lsp89 ukn81 mio100 lsp35 div156 bol100 ite100 ukn100 eq171 hnf90 smp82 dnf160 smp92 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 4 VariablesLoop: 3 DisjunctsStem: 4 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 28 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 05:28:10,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2023-11-29 05:28:10,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Ended with exit code 0 [2023-11-29 05:28:10,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Ended with exit code 0 [2023-11-29 05:28:10,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Ended with exit code 0 [2023-11-29 05:28:10,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Ended with exit code 0 [2023-11-29 05:28:11,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Forceful destruction successful, exit code 0 [2023-11-29 05:28:11,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Forceful destruction successful, exit code 0 [2023-11-29 05:28:11,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (157)] Ended with exit code 0 [2023-11-29 05:28:11,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (156)] Ended with exit code 0 [2023-11-29 05:28:11,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2023-11-29 05:28:12,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0a7d61-9522-45a4-b8dd-acb1c77c4c44/bin/uautomizer-verify-BQ2R08f2Ya/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