./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:17,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:17,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:56:17,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:17,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:17,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:17,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:17,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:17,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:17,521 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:17,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:17,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:17,525 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:17,527 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:56:17,528 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:56:17,530 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:56:17,531 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:56:17,531 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:56:17,532 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:56:17,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:17,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:56:17,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:56:17,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:17,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:56:17,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:17,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:56:17,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:56:17,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:56:17,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:56:17,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:56:17,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:17,539 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:56:17,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:17,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:17,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:17,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:17,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:17,541 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:56:17,542 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_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2023-11-26 11:56:17,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:17,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:17,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:17,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:17,867 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:17,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/loops/trex04.c [2023-11-26 11:56:21,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:21,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:21,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/sv-benchmarks/c/loops/trex04.c [2023-11-26 11:56:21,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/data/1245715fd/1f5f62e322f94ecf8fca7ad3177b712f/FLAG9bb1ccced [2023-11-26 11:56:21,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/data/1245715fd/1f5f62e322f94ecf8fca7ad3177b712f [2023-11-26 11:56:21,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:21,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:21,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:21,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:21,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:21,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259e4d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21, skipping insertion in model container [2023-11-26 11:56:21,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:21,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:21,567 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:21,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:21,602 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:21,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21 WrapperNode [2023-11-26 11:56:21,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:21,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:21,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:21,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:21,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,643 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 81 [2023-11-26 11:56:21,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:21,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:21,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:21,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:21,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,673 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:56:21,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:21,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:21,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:21,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:21,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (1/1) ... [2023-11-26 11:56:21,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:21,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:21,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:21,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:56:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:21,861 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:21,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:22,052 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:22,062 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:22,062 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:56:22,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:22 BoogieIcfgContainer [2023-11-26 11:56:22,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:22,066 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:56:22,066 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:56:22,070 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:56:22,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:22,071 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:56:21" (1/3) ... [2023-11-26 11:56:22,072 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b633068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:56:22, skipping insertion in model container [2023-11-26 11:56:22,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:22,073 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:21" (2/3) ... [2023-11-26 11:56:22,073 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b633068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:56:22, skipping insertion in model container [2023-11-26 11:56:22,074 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:22,074 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:22" (3/3) ... [2023-11-26 11:56:22,075 INFO L332 chiAutomizerObserver]: Analyzing ICFG trex04.c [2023-11-26 11:56:22,156 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:56:22,157 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:56:22,157 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:56:22,157 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:56:22,157 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:56:22,158 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:56:22,158 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:56:22,158 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:56:22,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:22,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:56:22,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:22,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:22,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:22,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:56:22,210 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:56:22,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:22,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:56:22,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:22,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:22,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:22,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:56:22,229 INFO L748 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;havoc main_#t~nondet8#1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 8#L31true assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);havoc main_#t~nondet9#1;main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 17#L34true assume !(0 != main_~c1~1#1 % 256); 11#L34-2true assume !(0 != main_~c2~1#1 % 256); 14#L35-1true havoc main_#t~nondet11#1;main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 24#L39true assume !(0 != main_~c1~1#1 % 256); 16#L39-2true assume !(0 != main_~c2~1#1 % 256); 4#L42-1true [2023-11-26 11:56:22,229 INFO L750 eck$LassoCheckResult]: Loop: 4#L42-1true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 4#L42-1true [2023-11-26 11:56:22,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:22,236 INFO L85 PathProgramCache]: Analyzing trace with hash 179996080, now seen corresponding path program 1 times [2023-11-26 11:56:22,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:22,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270655344] [2023-11-26 11:56:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:22,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:22,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:22,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:22,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:22,385 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 1 times [2023-11-26 11:56:22,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:22,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486542809] [2023-11-26 11:56:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:22,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:22,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:22,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:22,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:22,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1284911250, now seen corresponding path program 1 times [2023-11-26 11:56:22,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:22,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037147035] [2023-11-26 11:56:22,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:22,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:22,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:22,832 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:22,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:22,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:22,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:22,834 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:56:22,834 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:22,834 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:22,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:22,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2023-11-26 11:56:22,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:22,835 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:22,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:22,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:23,236 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:23,241 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:56:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:56:23,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:56:23,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:56:23,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:56:23,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,561 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:56:23,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,620 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:56:23,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,694 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:56:23,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,739 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:56:23,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,787 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:56:23,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,841 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:56:23,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,890 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:56:23,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:23,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:23,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:23,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:23,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:23,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:23,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:23,940 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:23,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:56:23,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:23,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:23,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:23,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:23,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:23,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:23,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:23,989 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:56:24,002 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-26 11:56:24,003 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-26 11:56:24,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:24,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:24,027 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:24,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:56:24,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:56:24,055 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 11:56:24,055 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:56:24,056 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~d~0#1 - 1 >= 0] [2023-11-26 11:56:24,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:24,074 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-26 11:56:24,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:24,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:24,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:24,240 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:56:24,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:24,283 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-11-26 11:56:24,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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 3.0) internal successors, (9), 3 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) [2023-11-26 11:56:24,386 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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 3.0) internal successors, (9), 3 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 67 states and 97 transitions. Complement of second has 8 states. [2023-11-26 11:56:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2023-11-26 11:56:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2023-11-26 11:56:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2023-11-26 11:56:24,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 68 transitions. Stem has 8 letters. Loop has 1 letters. [2023-11-26 11:56:24,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:24,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 68 transitions. Stem has 9 letters. Loop has 1 letters. [2023-11-26 11:56:24,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:24,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 68 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-26 11:56:24,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:24,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 97 transitions. [2023-11-26 11:56:24,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2023-11-26 11:56:24,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 28 states and 42 transitions. [2023-11-26 11:56:24,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-26 11:56:24,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-26 11:56:24,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 42 transitions. [2023-11-26 11:56:24,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:24,429 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 42 transitions. [2023-11-26 11:56:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 42 transitions. [2023-11-26 11:56:24,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2023-11-26 11:56:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2023-11-26 11:56:24,464 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 39 transitions. [2023-11-26 11:56:24,464 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2023-11-26 11:56:24,464 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:56:24,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 39 transitions. [2023-11-26 11:56:24,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:56:24,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:24,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:24,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:24,467 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:56:24,468 INFO L748 eck$LassoCheckResult]: Stem: 174#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;havoc main_#t~nondet8#1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 163#L31 assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);havoc main_#t~nondet9#1;main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 164#L34 assume 0 != main_~c1~1#1 % 256;main_~d~0#1 := main_~d~0#1 - 1; 168#L34-2 assume !(0 != main_~c2~1#1 % 256); 170#L35-1 havoc main_#t~nondet11#1;main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 171#L39 assume !(0 != main_~c1~1#1 % 256); 162#L39-2 assume !(0 != main_~c2~1#1 % 256); 159#L42-1 [2023-11-26 11:56:24,468 INFO L750 eck$LassoCheckResult]: Loop: 159#L42-1 assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 159#L42-1 [2023-11-26 11:56:24,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:24,469 INFO L85 PathProgramCache]: Analyzing trace with hash 178149038, now seen corresponding path program 1 times [2023-11-26 11:56:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:24,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392486134] [2023-11-26 11:56:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:24,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:24,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:24,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:24,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:24,496 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 2 times [2023-11-26 11:56:24,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:24,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306293142] [2023-11-26 11:56:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:24,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:24,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:24,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:24,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1227652948, now seen corresponding path program 1 times [2023-11-26 11:56:24,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:24,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583478779] [2023-11-26 11:56:24,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:24,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:24,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:24,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:24,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:56:24 BoogieIcfgContainer [2023-11-26 11:56:24,782 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:56:24,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:56:24,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:56:24,783 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:56:24,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:22" (3/4) ... [2023-11-26 11:56:24,786 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 11:56:24,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:56:24,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:56:24,841 INFO L158 Benchmark]: Toolchain (without parser) took 3498.56ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 77.2MB in the beginning and 65.9MB in the end (delta: 11.3MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:24,842 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:56:24,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.15ms. Allocated memory is still 123.7MB. Free memory was 77.2MB in the beginning and 66.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:56:24,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.60ms. Allocated memory is still 123.7MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:24,850 INFO L158 Benchmark]: Boogie Preprocessor took 42.67ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 63.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:24,851 INFO L158 Benchmark]: RCFGBuilder took 376.85ms. Allocated memory is still 123.7MB. Free memory was 63.3MB in the beginning and 52.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:56:24,851 INFO L158 Benchmark]: BuchiAutomizer took 2716.82ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 52.3MB in the beginning and 66.9MB in the end (delta: -14.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-26 11:56:24,852 INFO L158 Benchmark]: Witness Printer took 57.45ms. Allocated memory is still 151.0MB. Free memory was 66.9MB in the beginning and 65.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:24,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.15ms. Allocated memory is still 123.7MB. Free memory was 77.2MB in the beginning and 66.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.60ms. Allocated memory is still 123.7MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.67ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 63.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.85ms. Allocated memory is still 123.7MB. Free memory was 63.3MB in the beginning and 52.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2716.82ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 52.3MB in the beginning and 66.9MB in the end (delta: -14.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 57.45ms. Allocated memory is still 151.0MB. Free memory was 66.9MB in the beginning and 65.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 50 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital83 mio100 ax100 hnf100 lsp26 ukn95 mio100 lsp100 div209 bol100 ite100 ukn100 eq145 hnf95 smp47 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 81ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 42]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c1=-1, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [c1=-1, c2=0, d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c1=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [c1=0, c2=0, d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 42]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c1=-1, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [c1=-1, c2=0, d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c1=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [c1=0, c2=0, d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:56:24,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:25,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a8a96a-9a69-46c6-b537-2af1fccb2fc5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)