./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atoll-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/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_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atoll-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/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_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/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 7d3c2d71fc4aa9769f2c9c949880efa0eb54785a07e1eefaf23798ae054e2d47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:23:15,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:23:15,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 01:23:15,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:23:15,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:23:15,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:23:15,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:23:15,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:23:15,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:23:15,798 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:23:15,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:23:15,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:23:15,800 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:23:15,801 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 01:23:15,801 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 01:23:15,802 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 01:23:15,802 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 01:23:15,803 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 01:23:15,803 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 01:23:15,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:23:15,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 01:23:15,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:23:15,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:23:15,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 01:23:15,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 01:23:15,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 01:23:15,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:23:15,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:23:15,808 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 01:23:15,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:23:15,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:23:15,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:23:15,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:23:15,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:23:15,811 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 01:23:15,811 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_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3c2d71fc4aa9769f2c9c949880efa0eb54785a07e1eefaf23798ae054e2d47 [2023-11-29 01:23:15,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:23:16,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:23:16,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:23:16,022 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:23:16,022 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:23:16,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-dietlibc/atoll-2.i [2023-11-29 01:23:18,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:23:18,953 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:23:18,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/sv-benchmarks/c/termination-dietlibc/atoll-2.i [2023-11-29 01:23:18,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/data/c5f0da1b8/1ad3a5fccf6d44469b87613916fe0c01/FLAGe0f6f08e8 [2023-11-29 01:23:18,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/data/c5f0da1b8/1ad3a5fccf6d44469b87613916fe0c01 [2023-11-29 01:23:18,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:23:18,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:23:18,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:23:18,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:23:18,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:23:18,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:23:18" (1/1) ... [2023-11-29 01:23:18,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ca015e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:18, skipping insertion in model container [2023-11-29 01:23:18,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:23:18" (1/1) ... [2023-11-29 01:23:19,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:23:19,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:23:19,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:23:19,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:23:19,379 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:23:19,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19 WrapperNode [2023-11-29 01:23:19,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:23:19,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:23:19,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:23:19,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:23:19,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,422 INFO L138 Inliner]: procedures = 112, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-11-29 01:23:19,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:23:19,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:23:19,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:23:19,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:23:19,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,452 INFO L175 MemorySlicer]: Split 7 memory accesses to 1 slices as follows [7]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2023-11-29 01:23:19,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:23:19,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:23:19,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:23:19,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:23:19,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (1/1) ... [2023-11-29 01:23:19,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:19,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:19,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:19,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 01:23:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:23:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:23:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:23:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:23:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:23:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:23:19,601 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:23:19,603 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:23:19,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:23:19,739 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:23:19,740 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 01:23:19,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:23:19 BoogieIcfgContainer [2023-11-29 01:23:19,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:23:19,743 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 01:23:19,743 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 01:23:19,747 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 01:23:19,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:23:19,747 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 01:23:18" (1/3) ... [2023-11-29 01:23:19,748 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d2742f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:23:19, skipping insertion in model container [2023-11-29 01:23:19,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:23:19,749 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:23:19" (2/3) ... [2023-11-29 01:23:19,749 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d2742f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:23:19, skipping insertion in model container [2023-11-29 01:23:19,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:23:19,749 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:23:19" (3/3) ... [2023-11-29 01:23:19,751 INFO L332 chiAutomizerObserver]: Analyzing ICFG atoll-2.i [2023-11-29 01:23:19,793 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 01:23:19,793 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 01:23:19,793 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 01:23:19,794 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 01:23:19,794 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 01:23:19,794 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 01:23:19,794 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 01:23:19,794 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 01:23:19,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 01:23:19,810 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-29 01:23:19,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:23:19,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:23:19,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 01:23:19,815 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:23:19,815 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 01:23:19,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 01:23:19,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-29 01:23:19,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:23:19,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:23:19,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 01:23:19,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:23:19,825 INFO L748 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 9#L521true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 10#L523-3true [2023-11-29 01:23:19,825 INFO L750 eck$LassoCheckResult]: Loop: 10#L523-3true assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet15#1;call write~int#0((if main_#t~nondet15#1 % 256 <= 127 then main_#t~nondet15#1 % 256 else main_#t~nondet15#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 15#L523-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 10#L523-3true [2023-11-29 01:23:19,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-29 01:23:19,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:19,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472937302] [2023-11-29 01:23:19,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:19,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:19,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:19,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:19,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:19,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-29 01:23:19,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:19,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456916754] [2023-11-29 01:23:19,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:19,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:19,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:19,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:19,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:19,993 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-29 01:23:19,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:19,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258670064] [2023-11-29 01:23:19,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:20,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:20,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:20,422 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:23:20,422 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:23:20,422 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:23:20,422 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:23:20,423 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:23:20,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:20,423 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:23:20,423 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:23:20,423 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoll-2.i_Iteration1_Lasso [2023-11-29 01:23:20,423 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:23:20,424 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:23:20,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:20,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:20,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:20,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:20,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:20,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:20,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:20,886 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:23:20,890 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:23:20,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:20,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:20,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:20,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 01:23:20,900 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 01:23:20,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:20,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:20,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:20,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:20,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:20,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:20,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:20,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:20,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:20,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:20,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:20,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 01:23:20,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:20,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:20,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:20,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:20,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:20,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:20,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:20,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:20,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:20,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 01:23:20,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:20,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:20,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:20,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 01:23:20,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:20,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:20,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:20,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:20,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:20,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:20,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:20,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:20,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 01:23:20,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:20,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:20,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:20,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 01:23:20,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:21,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:21,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:21,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:21,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:21,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:21,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:21,029 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:23:21,063 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-29 01:23:21,064 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-29 01:23:21,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:21,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:21,083 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:21,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 01:23:21,088 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:23:21,101 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:23:21,102 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:23:21,102 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2023-11-29 01:23:21,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:21,116 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-29 01:23:21,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:21,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:23:21,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:23:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:21,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:23:21,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:23:21,184 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 01:23:21,211 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 01:23:21,212 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 01:23:21,256 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 43 states and 61 transitions. Complement of second has 8 states. [2023-11-29 01:23:21,258 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 01:23:21,262 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 01:23:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2023-11-29 01:23:21,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-29 01:23:21,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:23:21,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-29 01:23:21,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:23:21,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-29 01:23:21,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:23:21,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 61 transitions. [2023-11-29 01:23:21,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 01:23:21,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 17 states and 24 transitions. [2023-11-29 01:23:21,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-29 01:23:21,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-29 01:23:21,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2023-11-29 01:23:21,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:23:21,275 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-29 01:23:21,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2023-11-29 01:23:21,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-29 01:23:21,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 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 01:23:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2023-11-29 01:23:21,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-29 01:23:21,300 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-29 01:23:21,300 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 01:23:21,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2023-11-29 01:23:21,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 01:23:21,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:23:21,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:23:21,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 01:23:21,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:23:21,302 INFO L748 eck$LassoCheckResult]: Stem: 133#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 125#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 126#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 118#L523-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem2#1, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 119#L509-3 [2023-11-29 01:23:21,302 INFO L750 eck$LassoCheckResult]: Loop: 119#L509-3 call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1); 132#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset; 119#L509-3 [2023-11-29 01:23:21,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:21,303 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2023-11-29 01:23:21,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:21,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819358095] [2023-11-29 01:23:21,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:21,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:21,385 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 01:23:21,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:21,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819358095] [2023-11-29 01:23:21,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819358095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:23:21,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:23:21,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:23:21,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98261683] [2023-11-29 01:23:21,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:23:21,389 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:23:21,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:21,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2023-11-29 01:23:21,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:21,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355085653] [2023-11-29 01:23:21,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:21,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:21,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:21,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:21,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:21,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:23:21,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:23:21,444 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 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 01:23:21,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:21,459 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-29 01:23:21,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-29 01:23:21,460 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 01:23:21,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2023-11-29 01:23:21,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-29 01:23:21,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-29 01:23:21,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2023-11-29 01:23:21,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:23:21,461 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-29 01:23:21,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2023-11-29 01:23:21,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-29 01:23:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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 01:23:21,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2023-11-29 01:23:21,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2023-11-29 01:23:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:23:21,464 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2023-11-29 01:23:21,464 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 01:23:21,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2023-11-29 01:23:21,465 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 01:23:21,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:23:21,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:23:21,465 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:23:21,465 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:23:21,466 INFO L748 eck$LassoCheckResult]: Stem: 174#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 166#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 167#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet15#1;call write~int#0((if main_#t~nondet15#1 % 256 <= 127 then main_#t~nondet15#1 % 256 else main_#t~nondet15#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 168#L523-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 169#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 159#L523-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem2#1, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 160#L509-3 [2023-11-29 01:23:21,466 INFO L750 eck$LassoCheckResult]: Loop: 160#L509-3 call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1); 172#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset; 160#L509-3 [2023-11-29 01:23:21,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:21,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2023-11-29 01:23:21,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:21,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790683961] [2023-11-29 01:23:21,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:21,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:21,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:21,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:21,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:21,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2023-11-29 01:23:21,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:21,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342734019] [2023-11-29 01:23:21,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:21,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:21,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:21,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:21,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:21,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:21,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2023-11-29 01:23:21,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:21,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947660498] [2023-11-29 01:23:21,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:21,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:21,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:23:21,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947660498] [2023-11-29 01:23:21,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947660498] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:23:21,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068172203] [2023-11-29 01:23:21,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:21,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:23:21,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:21,799 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:23:21,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:23:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:21,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 01:23:21,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:23:21,968 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 15 treesize of output 1 [2023-11-29 01:23:22,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:23:22,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:23:22,020 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 15 treesize of output 10 [2023-11-29 01:23:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:22,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:23:22,092 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 13 treesize of output 11 [2023-11-29 01:23:22,098 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 26 treesize of output 24 [2023-11-29 01:23:22,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:23:22,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068172203] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:23:22,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:23:22,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-11-29 01:23:22,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847003105] [2023-11-29 01:23:22,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:23:22,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:23:22,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 01:23:22,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:23:22,301 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 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 01:23:22,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:23:22,506 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2023-11-29 01:23:22,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2023-11-29 01:23:22,507 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-29 01:23:22,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 45 transitions. [2023-11-29 01:23:22,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-29 01:23:22,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-29 01:23:22,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 45 transitions. [2023-11-29 01:23:22,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:23:22,509 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 45 transitions. [2023-11-29 01:23:22,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 45 transitions. [2023-11-29 01:23:22,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2023-11-29 01:23:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 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 01:23:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2023-11-29 01:23:22,512 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-29 01:23:22,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:23:22,513 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-29 01:23:22,513 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 01:23:22,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2023-11-29 01:23:22,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 01:23:22,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:23:22,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:23:22,514 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-29 01:23:22,515 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:23:22,515 INFO L748 eck$LassoCheckResult]: Stem: 309#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 297#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 298#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 299#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet15#1;call write~int#0((if main_#t~nondet15#1 % 256 <= 127 then main_#t~nondet15#1 % 256 else main_#t~nondet15#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 300#L523-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 312#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet15#1;call write~int#0((if main_#t~nondet15#1 % 256 <= 127 then main_#t~nondet15#1 % 256 else main_#t~nondet15#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 303#L523-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 301#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 302#L523-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem2#1, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 306#L509-3 [2023-11-29 01:23:22,515 INFO L750 eck$LassoCheckResult]: Loop: 306#L509-3 call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1); 307#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset; 306#L509-3 [2023-11-29 01:23:22,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:22,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1357299088, now seen corresponding path program 2 times [2023-11-29 01:23:22,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:22,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084593925] [2023-11-29 01:23:22,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:22,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:22,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:22,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:22,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:22,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 3 times [2023-11-29 01:23:22,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:22,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403321331] [2023-11-29 01:23:22,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:22,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:22,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:22,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:22,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:22,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1305633579, now seen corresponding path program 2 times [2023-11-29 01:23:22,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:23:22,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328769190] [2023-11-29 01:23:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:23:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:23:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:22,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:23:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:23:22,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:23:23,306 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:23:23,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:23:23,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:23:23,307 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:23:23,307 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:23:23,307 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:23,307 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:23:23,307 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:23:23,307 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoll-2.i_Iteration4_Lasso [2023-11-29 01:23:23,307 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:23:23,307 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:23:23,311 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 01:23:23,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:23:23,860 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:23:23,860 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:23:23,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:23,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:23,864 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:23,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 01:23:23,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:23,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:23,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:23,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:23,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:23,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:23,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:23,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:23,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:23,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 01:23:23,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:23,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:23,888 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:23,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 01:23:23,896 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 01:23:23,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:23,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:23,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:23,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:23,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:23,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:23,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:23,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:23,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 01:23:23,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:23,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:23,916 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:23,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 01:23:23,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:23,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:23,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:23,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:23,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:23,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:23,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:23,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:23,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:23,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 01:23:23,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:23,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:23,939 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:23,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 01:23:23,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:23,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:23,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:23,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:23,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:23,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:23,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:23,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:23,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:23,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 01:23:23,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:23,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:23,966 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:23,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 01:23:23,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:23:23,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:23,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:23,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:23,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:23,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:23,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:23,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:23,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:23,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 01:23:23,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:23,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:23,989 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:23,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 01:23:23,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 01:23:24,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,016 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 01:23:24,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 01:23:24,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,042 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 01:23:24,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:23:24,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 01:23:24,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,067 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 01:23:24,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:23:24,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 01:23:24,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,095 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 01:23:24,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 01:23:24,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,120 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 01:23:24,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 01:23:24,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,155 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 01:23:24,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 01:23:24,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,182 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 01:23:24,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 01:23:24,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,208 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 01:23:24,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:23:24,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 01:23:24,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,235 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 01:23:24,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:24,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,259 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 01:23:24,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:24,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,281 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 01:23:24,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:24,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,306 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 01:23:24,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:24,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,334 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 01:23:24,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:24,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,363 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 01:23:24,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:24,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,388 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 01:23:24,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 01:23:24,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,412 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 01:23:24,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:23:24,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:24,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,435 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 01:23:24,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 01:23:24,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,457 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 01:23:24,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:23:24,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:23:24,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:23:24,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 01:23:24,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,483 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 01:23:24,486 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 01:23:24,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 01:23:24,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,510 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 01:23:24,513 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 01:23:24,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-29 01:23:24,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,540 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 01:23:24,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:23:24,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 01:23:24,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,575 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 01:23:24,578 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 01:23:24,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 01:23:24,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,599 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 01:23:24,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:23:24,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 01:23:24,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,627 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 01:23:24,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:23:24,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:23:24,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:23:24,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:23:24,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:23:24,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:23:24,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:23:24,667 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:23:24,695 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-29 01:23:24,696 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-29 01:23:24,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:23:24,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:23:24,699 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:23:24,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 01:23:24,703 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:23:24,716 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:23:24,716 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:23:24,716 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atoll_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2) = -1*ULTIMATE.start_atoll_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 Supporting invariants [] [2023-11-29 01:23:24,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-29 01:23:24,735 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-29 01:23:24,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated [2023-11-29 01:23:24,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 01:23:24,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:23:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:24,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:23:24,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:23:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:23:24,821 WARN L260 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:23:24,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:23:24,841 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 01:23:24,842 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-29 01:23:24,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 01:23:24,906 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 38 states and 51 transitions. Complement of second has 7 states. [2023-11-29 01:23:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 01:23:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 01:23:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-29 01:23:24,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-29 01:23:24,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:23:24,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-29 01:23:24,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:23:24,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-29 01:23:24,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:23:24,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2023-11-29 01:23:24,910 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:23:24,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2023-11-29 01:23:24,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 01:23:24,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 01:23:24,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 01:23:24,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:23:24,910 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:23:24,911 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:23:24,911 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:23:24,911 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 01:23:24,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:23:24,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:23:24,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 01:23:24,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 01:23:24 BoogieIcfgContainer [2023-11-29 01:23:24,917 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 01:23:24,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:23:24,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:23:24,918 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:23:24,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:23:19" (3/4) ... [2023-11-29 01:23:24,920 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:23:24,921 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:23:24,922 INFO L158 Benchmark]: Toolchain (without parser) took 5936.92ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 115.8MB in the beginning and 111.4MB in the end (delta: 4.4MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2023-11-29 01:23:24,922 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:23:24,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.04ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 99.0MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 01:23:24,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.25ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 97.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:23:24,923 INFO L158 Benchmark]: Boogie Preprocessor took 43.27ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 94.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:23:24,923 INFO L158 Benchmark]: RCFGBuilder took 274.33ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 82.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:23:24,924 INFO L158 Benchmark]: BuchiAutomizer took 5174.70ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 82.8MB in the beginning and 111.4MB in the end (delta: -28.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-29 01:23:24,924 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 207.6MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:23:24,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.04ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 99.0MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.25ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 97.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.27ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 94.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.33ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 82.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5174.70ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 82.8MB in the beginning and 111.4MB in the end (delta: -28.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 207.6MB. Free memory is still 111.4MB. 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~malloc13!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * i) + in_len) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 203 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 53 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax100 hnf100 lsp106 ukn51 mio100 lsp45 div143 bol100 ite100 ukn100 eq173 hnf91 smp85 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 01:23:24,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-29 01:23:25,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:23:25,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7b5f3b-b060-4f05-9ba2-ffe5d0db274f/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