./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/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_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/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_c77f4eaa-280b-4d62-9f80-a386645ee4bc/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 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:36:03,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:36:03,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 01:36:03,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:36:03,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:36:03,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:36:03,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:36:03,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:36:03,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:36:03,156 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:36:03,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:36:03,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:36:03,158 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:36:03,158 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 01:36:03,159 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 01:36:03,159 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 01:36:03,160 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 01:36:03,160 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 01:36:03,161 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 01:36:03,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:36:03,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 01:36:03,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:36:03,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:36:03,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 01:36:03,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 01:36:03,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 01:36:03,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:36:03,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:36:03,165 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 01:36:03,166 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:36:03,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:36:03,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:36:03,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:36:03,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:36:03,168 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 01:36:03,168 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_c77f4eaa-280b-4d62-9f80-a386645ee4bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2023-11-29 01:36:03,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:36:03,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:36:03,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:36:03,430 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:36:03,431 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:36:03,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2023-11-29 01:36:06,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:36:06,325 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:36:06,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2023-11-29 01:36:06,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/data/642439ac9/da548aa719594721bf1bca38fe7a74e0/FLAG923859813 [2023-11-29 01:36:06,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/data/642439ac9/da548aa719594721bf1bca38fe7a74e0 [2023-11-29 01:36:06,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:36:06,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:36:06,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:36:06,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:36:06,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:36:06,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340bd3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06, skipping insertion in model container [2023-11-29 01:36:06,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:36:06,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:36:06,512 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:36:06,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:36:06,534 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:36:06,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06 WrapperNode [2023-11-29 01:36:06,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:36:06,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:36:06,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:36:06,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:36:06,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,563 INFO L138 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-29 01:36:06,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:36:06,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:36:06,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:36:06,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:36:06,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,590 INFO L175 MemorySlicer]: Split 15 memory accesses to 4 slices as follows [4, 3, 4, 4]. 27 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 11 writes are split as follows [3, 2, 3, 3]. [2023-11-29 01:36:06,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:36:06,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:36:06,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:36:06,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:36:06,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (1/1) ... [2023-11-29 01:36:06,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:06,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:06,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 01:36:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:36:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:36:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:36:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:36:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:36:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:36:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:36:06,750 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:36:06,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:36:06,885 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:36:06,894 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:36:06,895 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:36:06,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:36:06 BoogieIcfgContainer [2023-11-29 01:36:06,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:36:06,898 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 01:36:06,898 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 01:36:06,902 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 01:36:06,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:36:06,903 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 01:36:06" (1/3) ... [2023-11-29 01:36:06,904 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e5ffc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:36:06, skipping insertion in model container [2023-11-29 01:36:06,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:36:06,904 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:36:06" (2/3) ... [2023-11-29 01:36:06,904 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e5ffc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:36:06, skipping insertion in model container [2023-11-29 01:36:06,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:36:06,905 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:36:06" (3/3) ... [2023-11-29 01:36:06,906 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4BitCounterPointer.c [2023-11-29 01:36:06,950 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 01:36:06,950 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 01:36:06,950 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 01:36:06,950 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 01:36:06,951 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 01:36:06,951 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 01:36:06,951 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 01:36:06,951 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 01:36:06,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:06,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 01:36:06,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:06,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:06,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 01:36:06,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:36:06,973 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 01:36:06,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:06,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 01:36:06,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:06,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:06,975 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 01:36:06,975 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:36:06,981 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 4#L24-2true [2023-11-29 01:36:06,982 INFO L750 eck$LassoCheckResult]: Loop: 4#L24-2true call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 8#L15-1true assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 2#L16true assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 4#L24-2true [2023-11-29 01:36:06,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:06,986 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 01:36:06,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:06,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512177777] [2023-11-29 01:36:06,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:06,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:07,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:07,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:07,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:07,219 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2023-11-29 01:36:07,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:07,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972690749] [2023-11-29 01:36:07,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:07,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:07,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:07,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:07,243 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2023-11-29 01:36:07,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:07,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770910580] [2023-11-29 01:36:07,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:07,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:07,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:07,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:08,752 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:36:08,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:36:08,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:36:08,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:36:08,754 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:36:08,754 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:08,754 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:36:08,754 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:36:08,754 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration1_Lasso [2023-11-29 01:36:08,754 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:36:08,754 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:36:08,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:08,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:09,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:36:09,728 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:36:09,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 01:36:09,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:09,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:09,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:09,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:09,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:09,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:09,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:09,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:09,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:09,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 01:36:09,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:09,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:09,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:09,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:09,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:09,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:09,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:09,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:09,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:09,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 01:36:09,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,798 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 01:36:09,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:09,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:09,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:09,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:09,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:09,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:09,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:09,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:09,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:09,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 01:36:09,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,826 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 01:36:09,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:09,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:09,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:09,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:09,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:09,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:09,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:09,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:09,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 01:36:09,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,862 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 01:36:09,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:09,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:09,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:09,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:09,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:09,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:09,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:09,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:09,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:09,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 01:36:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,887 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 01:36:09,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:09,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:09,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:09,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:09,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:09,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:09,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:09,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:09,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:09,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,919 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 01:36:09,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:09,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:09,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:09,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:09,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:09,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:09,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:09,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:09,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 01:36:09,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 01:36:09,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:09,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:09,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:09,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:09,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:09,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:09,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:09,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:09,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:09,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:09,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:09,986 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:09,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 01:36:09,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:10,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:10,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:10,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 01:36:10,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,010 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 01:36:10,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:10,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:10,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:10,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:10,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 01:36:10,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,035 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 01:36:10,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 01:36:10,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,057 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 01:36:10,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 01:36:10,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,090 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 01:36:10,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 01:36:10,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,117 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 01:36:10,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:10,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,149 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 01:36:10,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 01:36:10,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,196 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 01:36:10,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 01:36:10,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,227 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 01:36:10,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:10,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 01:36:10,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,255 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 01:36:10,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 01:36:10,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,282 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 01:36:10,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:10,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 01:36:10,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,311 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 01:36:10,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:10,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:10,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:10,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:10,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:10,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:10,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:10,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:36:10,360 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-29 01:36:10,361 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-29 01:36:10,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:10,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:10,395 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:10,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 01:36:10,398 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:36:10,412 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:36:10,412 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:36:10,412 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_1) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_1 + 1 Supporting invariants [] [2023-11-29 01:36:10,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 01:36:10,511 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2023-11-29 01:36:10,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x0~0!base][~x0~0!offset] could not be translated [2023-11-29 01:36:10,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:10,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:36:10,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:10,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:36:10,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:10,609 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 01:36:10,642 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 01:36:10,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 01:36:10,692 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 25 states and 33 transitions. Complement of second has 8 states. [2023-11-29 01:36:10,695 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 01:36:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 01:36:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-29 01:36:10,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-29 01:36:10,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:10,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-29 01:36:10,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:10,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-29 01:36:10,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:10,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2023-11-29 01:36:10,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 01:36:10,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 13 states and 18 transitions. [2023-11-29 01:36:10,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-29 01:36:10,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-29 01:36:10,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-29 01:36:10,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:10,710 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-29 01:36:10,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-29 01:36:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 01:36:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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 01:36:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-29 01:36:10,737 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-29 01:36:10,737 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-29 01:36:10,737 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 01:36:10,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-29 01:36:10,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 01:36:10,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:10,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:10,739 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 01:36:10,739 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 01:36:10,739 INFO L748 eck$LassoCheckResult]: Stem: 174#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 175#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 176#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 173#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 166#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 167#L20 [2023-11-29 01:36:10,739 INFO L750 eck$LassoCheckResult]: Loop: 167#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 170#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 171#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 178#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 167#L20 [2023-11-29 01:36:10,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:10,740 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-11-29 01:36:10,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:10,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104618022] [2023-11-29 01:36:10,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:10,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:10,903 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 01:36:10,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:10,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104618022] [2023-11-29 01:36:10,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104618022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:10,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:10,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:36:10,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033126056] [2023-11-29 01:36:10,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:10,907 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:36:10,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:10,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1526457, now seen corresponding path program 1 times [2023-11-29 01:36:10,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:10,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009020315] [2023-11-29 01:36:10,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:10,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:10,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:10,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:11,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:11,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:36:11,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:36:11,070 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 01:36:11,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:11,099 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2023-11-29 01:36:11,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2023-11-29 01:36:11,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 01:36:11,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 22 transitions. [2023-11-29 01:36:11,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-29 01:36:11,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-29 01:36:11,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2023-11-29 01:36:11,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:11,102 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-29 01:36:11,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2023-11-29 01:36:11,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-29 01:36:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-29 01:36:11,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-29 01:36:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:36:11,106 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-29 01:36:11,106 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 01:36:11,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-29 01:36:11,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-29 01:36:11,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:11,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:11,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2023-11-29 01:36:11,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1] [2023-11-29 01:36:11,108 INFO L748 eck$LassoCheckResult]: Stem: 215#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 216#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 212#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 213#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 210#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 211#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 214#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 221#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 218#L20 [2023-11-29 01:36:11,108 INFO L750 eck$LassoCheckResult]: Loop: 218#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 219#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 217#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 208#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 209#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 222#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 223#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 218#L20 [2023-11-29 01:36:11,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:11,109 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2023-11-29 01:36:11,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:11,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907044420] [2023-11-29 01:36:11,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:11,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:11,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:11,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:11,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:11,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1770012235, now seen corresponding path program 1 times [2023-11-29 01:36:11,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:11,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688445091] [2023-11-29 01:36:11,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:11,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:11,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:11,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:11,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:11,176 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 1 times [2023-11-29 01:36:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:11,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748634068] [2023-11-29 01:36:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:11,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:11,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:11,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:11,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:12,572 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:36:12,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:36:12,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:36:12,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:36:12,573 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:36:12,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:12,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:36:12,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:36:12,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration3_Lasso [2023-11-29 01:36:12,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:36:12,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:36:12,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:12,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:13,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:13,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:13,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:13,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:13,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:13,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:13,619 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:36:13,619 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:36:13,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,620 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 01:36:13,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:13,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:13,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:13,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 01:36:13,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,640 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 01:36:13,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:13,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 01:36:13,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,663 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 01:36:13,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:13,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,684 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 01:36:13,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 01:36:13,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,709 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 01:36:13,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:13,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 01:36:13,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,731 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 01:36:13,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 01:36:13,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,753 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 01:36:13,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 01:36:13,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,774 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 01:36:13,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 01:36:13,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,798 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 01:36:13,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:13,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 01:36:13,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,823 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 01:36:13,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 01:36:13,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,851 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 01:36:13,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 01:36:13,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,877 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 01:36:13,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:13,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 01:36:13,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,898 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 01:36:13,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 01:36:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,935 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:13,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 01:36:13,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 01:36:13,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,964 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 01:36:13,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:13,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:13,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:13,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:13,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:13,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:13,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:13,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:13,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:13,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:13,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:13,993 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:13,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 01:36:13,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:14,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:14,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:14,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:14,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:14,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:14,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:14,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:14,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-29 01:36:14,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:14,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:14,019 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:14,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 01:36:14,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:14,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:14,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:14,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:14,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:14,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:14,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:14,040 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:36:14,052 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-29 01:36:14,052 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-29 01:36:14,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:14,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:14,053 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:14,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 01:36:14,055 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:36:14,066 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:36:14,066 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:36:14,066 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem6#1) = -2*ULTIMATE.start_main_#t~mem6#1 + 1 Supporting invariants [] [2023-11-29 01:36:14,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-29 01:36:14,224 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2023-11-29 01:36:14,225 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-29 01:36:14,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:14,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:36:14,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:14,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:36:14,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:14,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:36:14,372 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 01:36:14,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:14,387 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 41 transitions. Complement of second has 5 states. [2023-11-29 01:36:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 01:36:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2023-11-29 01:36:14,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 7 letters. [2023-11-29 01:36:14,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:14,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 15 letters. Loop has 7 letters. [2023-11-29 01:36:14,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:14,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 14 letters. [2023-11-29 01:36:14,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:14,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2023-11-29 01:36:14,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-29 01:36:14,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 41 transitions. [2023-11-29 01:36:14,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-29 01:36:14,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-29 01:36:14,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 41 transitions. [2023-11-29 01:36:14,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:14,395 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-29 01:36:14,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 41 transitions. [2023-11-29 01:36:14,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2023-11-29 01:36:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 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 01:36:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2023-11-29 01:36:14,399 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2023-11-29 01:36:14,399 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2023-11-29 01:36:14,399 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 01:36:14,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2023-11-29 01:36:14,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-29 01:36:14,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:14,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:14,401 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-29 01:36:14,401 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:36:14,401 INFO L748 eck$LassoCheckResult]: Stem: 475#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 476#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 477#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 473#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 470#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 471#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 474#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 489#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 488#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 469#L24-2 [2023-11-29 01:36:14,401 INFO L750 eck$LassoCheckResult]: Loop: 469#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 472#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 468#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 469#L24-2 [2023-11-29 01:36:14,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321583, now seen corresponding path program 2 times [2023-11-29 01:36:14,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:14,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881580655] [2023-11-29 01:36:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:14,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:14,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:14,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:14,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:14,453 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 2 times [2023-11-29 01:36:14,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:14,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043124636] [2023-11-29 01:36:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:14,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-29 01:36:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:14,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:14,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:14,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:14,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1467212283, now seen corresponding path program 3 times [2023-11-29 01:36:14,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:14,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091984159] [2023-11-29 01:36:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:14,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:14,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:14,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:16,116 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:36:16,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:36:16,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:36:16,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:36:16,116 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:36:16,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:36:16,116 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:36:16,116 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration4_Lasso [2023-11-29 01:36:16,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:36:16,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:36:16,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:16,717 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:36:16,717 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:36:16,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,718 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 01:36:16,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:16,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:16,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:16,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-29 01:36:16,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,739 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-29 01:36:16,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:16,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:16,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:16,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:16,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,759 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-29 01:36:16,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:16,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:16,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:16,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-29 01:36:16,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,778 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 01:36:16,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:16,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:16,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:16,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:16,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:16,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,795 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 01:36:16,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:16,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:16,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:16,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:16,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-29 01:36:16,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,812 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 01:36:16,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:16,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:16,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:16,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-29 01:36:16,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,832 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-29 01:36:16,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:16,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:16,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:16,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:16,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-29 01:36:16,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,848 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-29 01:36:16,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:16,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:16,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:16,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:16,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:16,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,866 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-29 01:36:16,868 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 01:36:16,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:16,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:16,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:16,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,887 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-29 01:36:16,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:16,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:16,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:16,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:16,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:16,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,904 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-29 01:36:16,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:16,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:16,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:16,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:16,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,926 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-29 01:36:16,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:16,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:16,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:16,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:16,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:16,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,950 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-29 01:36:16,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:16,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:16,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:16,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:16,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:16,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:16,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:16,974 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:36:16,988 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-29 01:36:16,988 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-29 01:36:16,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:16,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:16,989 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:16,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-29 01:36:16,991 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:36:17,002 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:36:17,002 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:36:17,002 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x0~0#1.base) 0)_3) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x0~0#1.base) 0)_3 + 1 Supporting invariants [] [2023-11-29 01:36:17,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:17,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-29 01:36:17,076 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2023-11-29 01:36:17,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x0~0!base][0] could not be translated [2023-11-29 01:36:17,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:17,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:36:17,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:17,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:36:17,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:17,175 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 01:36:17,176 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 01:36:17,176 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:17,216 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 76 transitions. Complement of second has 8 states. [2023-11-29 01:36:17,217 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 01:36:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2023-11-29 01:36:17,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-29 01:36:17,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:17,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 12 letters. Loop has 3 letters. [2023-11-29 01:36:17,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:17,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 6 letters. [2023-11-29 01:36:17,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:17,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2023-11-29 01:36:17,221 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-29 01:36:17,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 51 states and 64 transitions. [2023-11-29 01:36:17,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-29 01:36:17,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-29 01:36:17,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2023-11-29 01:36:17,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:17,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-11-29 01:36:17,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2023-11-29 01:36:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2023-11-29 01:36:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 46 states have internal predecessors, (60), 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 01:36:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2023-11-29 01:36:17,226 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-29 01:36:17,226 INFO L428 stractBuchiCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-29 01:36:17,226 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 01:36:17,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 60 transitions. [2023-11-29 01:36:17,227 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-29 01:36:17,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:17,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:17,227 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-29 01:36:17,227 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2023-11-29 01:36:17,228 INFO L748 eck$LassoCheckResult]: Stem: 718#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 719#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 723#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 746#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 712#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 713#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 745#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 743#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 738#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 739#L24 [2023-11-29 01:36:17,228 INFO L750 eck$LassoCheckResult]: Loop: 739#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#3(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 753#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 752#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 751#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 749#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 750#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 748#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 747#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 739#L24 [2023-11-29 01:36:17,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:17,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321585, now seen corresponding path program 1 times [2023-11-29 01:36:17,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:17,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899274852] [2023-11-29 01:36:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:17,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:36:17,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:17,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899274852] [2023-11-29 01:36:17,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899274852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:17,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:17,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:36:17,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787342694] [2023-11-29 01:36:17,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:17,318 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:36:17,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:17,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1088312668, now seen corresponding path program 1 times [2023-11-29 01:36:17,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:17,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630844902] [2023-11-29 01:36:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:17,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:17,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:17,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:17,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:17,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:36:17,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:36:17,638 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. cyclomatic complexity: 20 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 01:36:17,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:17,654 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2023-11-29 01:36:17,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2023-11-29 01:36:17,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-29 01:36:17,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 49 transitions. [2023-11-29 01:36:17,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2023-11-29 01:36:17,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-29 01:36:17,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 49 transitions. [2023-11-29 01:36:17,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:17,657 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-29 01:36:17,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 49 transitions. [2023-11-29 01:36:17,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-29 01:36:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-11-29 01:36:17,661 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-29 01:36:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:36:17,662 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-29 01:36:17,662 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 01:36:17,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2023-11-29 01:36:17,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-29 01:36:17,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:17,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:17,663 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 1, 1] [2023-11-29 01:36:17,664 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:36:17,664 INFO L748 eck$LassoCheckResult]: Stem: 814#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 819#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 839#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 840#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 838#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 836#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 833#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 820#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 821#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 842#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 808#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 809#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 817#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 818#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 822#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 807#L24-2 [2023-11-29 01:36:17,664 INFO L750 eck$LassoCheckResult]: Loop: 807#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 841#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 806#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 807#L24-2 [2023-11-29 01:36:17,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash -697316797, now seen corresponding path program 4 times [2023-11-29 01:36:17,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:17,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590716052] [2023-11-29 01:36:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:17,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:17,807 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 01:36:17,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:17,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590716052] [2023-11-29 01:36:17,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590716052] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:17,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205053252] [2023-11-29 01:36:17,808 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 01:36:17,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:17,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:17,809 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:17,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2023-11-29 01:36:17,900 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 01:36:17,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:36:17,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:36:17,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:17,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:36:17,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:36:17,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205053252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:17,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:36:17,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-29 01:36:17,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930281765] [2023-11-29 01:36:17,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:17,936 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:36:17,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:17,936 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 3 times [2023-11-29 01:36:17,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:17,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013881800] [2023-11-29 01:36:17,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:17,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:17,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:17,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:18,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:18,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:36:18,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:18,005 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. cyclomatic complexity: 14 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:18,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:18,028 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2023-11-29 01:36:18,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2023-11-29 01:36:18,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-29 01:36:18,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 36 transitions. [2023-11-29 01:36:18,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-29 01:36:18,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-29 01:36:18,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2023-11-29 01:36:18,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:18,030 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2023-11-29 01:36:18,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2023-11-29 01:36:18,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2023-11-29 01:36:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 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 01:36:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2023-11-29 01:36:18,033 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 35 transitions. [2023-11-29 01:36:18,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:36:18,035 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2023-11-29 01:36:18,035 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 01:36:18,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 35 transitions. [2023-11-29 01:36:18,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-29 01:36:18,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:18,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:18,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-29 01:36:18,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-29 01:36:18,037 INFO L748 eck$LassoCheckResult]: Stem: 943#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 944#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 945#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 942#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 937#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 938#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 941#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 962#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 961#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 960#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 955#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 957#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 953#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 954#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 950#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 949#L20 [2023-11-29 01:36:18,037 INFO L750 eck$LassoCheckResult]: Loop: 949#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 948#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#3(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 939#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 940#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 935#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 936#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 964#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 963#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 946#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 947#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 959#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 958#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 956#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 951#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 952#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 949#L20 [2023-11-29 01:36:18,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:18,038 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 5 times [2023-11-29 01:36:18,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:18,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532633787] [2023-11-29 01:36:18,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:18,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:18,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:18,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:18,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:18,078 INFO L85 PathProgramCache]: Analyzing trace with hash -97586480, now seen corresponding path program 1 times [2023-11-29 01:36:18,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:18,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246414032] [2023-11-29 01:36:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:18,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:18,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:18,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:18,098 INFO L85 PathProgramCache]: Analyzing trace with hash 569106656, now seen corresponding path program 1 times [2023-11-29 01:36:18,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:18,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525390138] [2023-11-29 01:36:18,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:18,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:18,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:18,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:20,938 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:36:20,938 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:36:20,938 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:36:20,938 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:36:20,938 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:36:20,938 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:20,938 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:36:20,938 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:36:20,938 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration7_Lasso [2023-11-29 01:36:20,938 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:36:20,938 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:36:20,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:20,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:20,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:20,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:20,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:20,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:20,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:20,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:20,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:36:21,972 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:36:21,972 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:36:21,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:21,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:21,973 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:21,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-29 01:36:21,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:21,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:21,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:21,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:21,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:21,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:21,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:21,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:21,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:21,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:21,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:21,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:21,991 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:21,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-29 01:36:21,993 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 01:36:22,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:22,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:22,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:22,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-29 01:36:22,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,008 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-29 01:36:22,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:22,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:22,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:22,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,028 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-29 01:36:22,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:22,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:22,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:22,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:22,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:22,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,045 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-29 01:36:22,047 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 01:36:22,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:22,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:22,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-29 01:36:22,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,065 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-29 01:36:22,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:22,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:22,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:22,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-29 01:36:22,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,084 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-29 01:36:22,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:22,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:36:22,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:36:22,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:36:22,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:22,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,101 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-29 01:36:22,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:22,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:22,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:22,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-29 01:36:22,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,121 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-29 01:36:22,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:22,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:22,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:22,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:22,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,145 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-29 01:36:22,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:36:22,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:22,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:22,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:36:22,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-29 01:36:22,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,176 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-29 01:36:22,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 01:36:22,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:36:22,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:36:22,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:36:22,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:36:22,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:36:22,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:36:22,194 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:36:22,199 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-29 01:36:22,199 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-29 01:36:22,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:36:22,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:22,200 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:36:22,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-29 01:36:22,202 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:36:22,213 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:36:22,213 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:36:22,213 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2) = -2*v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2 + 1 Supporting invariants [] [2023-11-29 01:36:22,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-29 01:36:22,348 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2023-11-29 01:36:22,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x2~0!base][~x2~0!offset] could not be translated [2023-11-29 01:36:22,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:22,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:36:22,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:22,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:36:22,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:22,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 18 [2023-11-29 01:36:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 01:36:22,501 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 01:36:22,501 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 01:36:22,520 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 65 states and 77 transitions. Complement of second has 7 states. [2023-11-29 01:36:22,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 01:36:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 01:36:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-29 01:36:22,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 15 letters. [2023-11-29 01:36:22,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:22,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 30 letters. Loop has 15 letters. [2023-11-29 01:36:22,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:22,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 30 letters. [2023-11-29 01:36:22,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:36:22,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 77 transitions. [2023-11-29 01:36:22,525 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-29 01:36:22,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 65 states and 77 transitions. [2023-11-29 01:36:22,526 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-29 01:36:22,526 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-29 01:36:22,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 77 transitions. [2023-11-29 01:36:22,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:22,526 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-29 01:36:22,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 77 transitions. [2023-11-29 01:36:22,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 01:36:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 64 states have internal predecessors, (77), 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 01:36:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2023-11-29 01:36:22,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-29 01:36:22,532 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-29 01:36:22,532 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 01:36:22,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 77 transitions. [2023-11-29 01:36:22,533 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-29 01:36:22,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:22,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:22,534 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1, 1, 1] [2023-11-29 01:36:22,534 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-29 01:36:22,534 INFO L748 eck$LassoCheckResult]: Stem: 1303#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1304#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1309#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1307#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1308#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1343#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1342#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1341#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1340#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1301#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1302#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1298#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1299#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1348#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1330#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1331#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1314#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1315#L24-2 [2023-11-29 01:36:22,534 INFO L750 eck$LassoCheckResult]: Loop: 1315#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1349#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1347#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1345#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1346#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1344#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1310#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1311#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1305#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1306#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1351#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1352#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1350#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1326#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1327#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#3(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1315#L24-2 [2023-11-29 01:36:22,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:22,535 INFO L85 PathProgramCache]: Analyzing trace with hash -141984138, now seen corresponding path program 1 times [2023-11-29 01:36:22,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:22,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409371341] [2023-11-29 01:36:22,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:22,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 01:36:22,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:22,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409371341] [2023-11-29 01:36:22,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409371341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:22,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:22,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:36:22,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024368963] [2023-11-29 01:36:22,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:22,636 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:36:22,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1365622390, now seen corresponding path program 2 times [2023-11-29 01:36:22,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:22,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990034815] [2023-11-29 01:36:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:22,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:22,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:22,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:23,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-29 01:36:23,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:23,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:36:23,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:36:23,224 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. cyclomatic complexity: 19 Second operand has 4 states, 3 states have (on average 3.0) 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 01:36:23,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:23,241 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2023-11-29 01:36:23,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 97 transitions. [2023-11-29 01:36:23,242 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 36 [2023-11-29 01:36:23,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 76 states and 88 transitions. [2023-11-29 01:36:23,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2023-11-29 01:36:23,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2023-11-29 01:36:23,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 88 transitions. [2023-11-29 01:36:23,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:23,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 76 states and 88 transitions. [2023-11-29 01:36:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 88 transitions. [2023-11-29 01:36:23,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2023-11-29 01:36:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.162162162162162) internal successors, (86), 73 states have internal predecessors, (86), 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 01:36:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 86 transitions. [2023-11-29 01:36:23,249 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 86 transitions. [2023-11-29 01:36:23,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:36:23,250 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 86 transitions. [2023-11-29 01:36:23,250 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 01:36:23,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 86 transitions. [2023-11-29 01:36:23,251 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 36 [2023-11-29 01:36:23,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:23,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:23,252 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 1, 1, 1, 1, 1] [2023-11-29 01:36:23,252 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:36:23,252 INFO L748 eck$LassoCheckResult]: Stem: 1462#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1463#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1465#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1489#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1456#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1457#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1491#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1494#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1493#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1492#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1490#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1484#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1485#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1481#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1480#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1473#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1471#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#3(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1472#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1479#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1525#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1520#L24-2 [2023-11-29 01:36:23,252 INFO L750 eck$LassoCheckResult]: Loop: 1520#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1523#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1519#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1520#L24-2 [2023-11-29 01:36:23,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:23,252 INFO L85 PathProgramCache]: Analyzing trace with hash 693278934, now seen corresponding path program 2 times [2023-11-29 01:36:23,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:23,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760648446] [2023-11-29 01:36:23,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:23,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:23,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:23,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:23,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:23,288 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 4 times [2023-11-29 01:36:23,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:23,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130378197] [2023-11-29 01:36:23,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:23,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:23,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:23,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:23,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:23,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1024996556, now seen corresponding path program 3 times [2023-11-29 01:36:23,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:23,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622238327] [2023-11-29 01:36:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:23,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 01:36:23,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:23,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622238327] [2023-11-29 01:36:23,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622238327] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:23,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910967127] [2023-11-29 01:36:23,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:36:23,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:23,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:23,419 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:23,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2023-11-29 01:36:23,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 01:36:23,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:36:23,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:36:23,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:23,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 01:36:23,537 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:36:23,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910967127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:23,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:36:23,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-11-29 01:36:23,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518220852] [2023-11-29 01:36:23,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:23,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:23,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:36:23,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:23,598 INFO L87 Difference]: Start difference. First operand 74 states and 86 transitions. cyclomatic complexity: 18 Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:23,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:23,619 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2023-11-29 01:36:23,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 80 transitions. [2023-11-29 01:36:23,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-29 01:36:23,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 74 states and 76 transitions. [2023-11-29 01:36:23,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2023-11-29 01:36:23,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2023-11-29 01:36:23,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 76 transitions. [2023-11-29 01:36:23,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 01:36:23,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 76 transitions. [2023-11-29 01:36:23,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 76 transitions. [2023-11-29 01:36:23,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2023-11-29 01:36:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 67 states have internal predecessors, (70), 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 01:36:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2023-11-29 01:36:23,627 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 70 transitions. [2023-11-29 01:36:23,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:36:23,628 INFO L428 stractBuchiCegarLoop]: Abstraction has 68 states and 70 transitions. [2023-11-29 01:36:23,628 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-29 01:36:23,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 70 transitions. [2023-11-29 01:36:23,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-29 01:36:23,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:36:23,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:36:23,630 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 4, 4, 2, 2, 1, 1, 1, 1] [2023-11-29 01:36:23,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [8, 8, 4, 4, 2, 2, 1, 1] [2023-11-29 01:36:23,631 INFO L748 eck$LassoCheckResult]: Stem: 1693#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1694#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1696#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1719#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1718#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1717#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1716#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1715#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1714#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1691#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1692#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1687#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1688#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1711#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1705#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1703#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1701#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#3(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1702#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1710#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1727#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1725#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1723#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1720#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1697#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1689#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1690#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1695#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1726#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1724#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1721#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1722#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1699#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1700#L24-2 [2023-11-29 01:36:23,631 INFO L750 eck$LassoCheckResult]: Loop: 1700#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1728#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1751#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1749#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1747#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1745#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1743#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1741#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1739#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1685#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1686#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1735#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1733#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1712#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1713#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#3(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1729#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1752#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1750#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1748#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1746#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1744#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1742#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1740#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1738#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1737#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#0(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1736#L24-2 call main_#t~mem4#1 := read~int#1(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1734#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#0(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1732#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#0(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1731#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#3(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1730#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#3(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1700#L24-2 [2023-11-29 01:36:23,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:23,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1450650533, now seen corresponding path program 1 times [2023-11-29 01:36:23,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:23,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560157717] [2023-11-29 01:36:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:23,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:23,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:23,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:23,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1011439773, now seen corresponding path program 1 times [2023-11-29 01:36:23,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:23,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712856755] [2023-11-29 01:36:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:23,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:23,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:36:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:36:23,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:36:23,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:23,698 INFO L85 PathProgramCache]: Analyzing trace with hash 783342599, now seen corresponding path program 2 times [2023-11-29 01:36:23,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:23,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104453118] [2023-11-29 01:36:23,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:23,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 227 proven. 20 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-29 01:36:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104453118] [2023-11-29 01:36:24,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104453118] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:36:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812744142] [2023-11-29 01:36:24,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:36:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:36:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:36:24,002 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:36:24,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2023-11-29 01:36:24,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:36:24,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:36:24,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:36:24,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:36:24,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:36:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-29 01:36:24,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:36:24,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812744142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:24,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:36:24,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2023-11-29 01:36:24,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629411315] [2023-11-29 01:36:24,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:27,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:27,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:36:27,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:36:27,086 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:27,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:36:27,102 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2023-11-29 01:36:27,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 40 transitions. [2023-11-29 01:36:27,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:36:27,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2023-11-29 01:36:27,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 01:36:27,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 01:36:27,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 01:36:27,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:36:27,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:36:27,103 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:36:27,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:36:27,104 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:36:27,104 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-29 01:36:27,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:36:27,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:36:27,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 01:36:27,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 01:36:27 BoogieIcfgContainer [2023-11-29 01:36:27,109 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 01:36:27,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:36:27,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:36:27,110 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:36:27,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:36:06" (3/4) ... [2023-11-29 01:36:27,111 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:36:27,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:36:27,113 INFO L158 Benchmark]: Toolchain (without parser) took 20766.98ms. Allocated memory was 140.5MB in the beginning and 220.2MB in the end (delta: 79.7MB). Free memory was 103.0MB in the beginning and 104.0MB in the end (delta: -1.0MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2023-11-29 01:36:27,113 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory was 111.1MB in the beginning and 110.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:36:27,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.16ms. Allocated memory is still 140.5MB. Free memory was 102.5MB in the beginning and 92.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 01:36:27,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.92ms. Allocated memory is still 140.5MB. Free memory was 92.7MB in the beginning and 91.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:36:27,114 INFO L158 Benchmark]: Boogie Preprocessor took 40.83ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:36:27,114 INFO L158 Benchmark]: RCFGBuilder took 290.91ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 76.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:36:27,114 INFO L158 Benchmark]: BuchiAutomizer took 20211.73ms. Allocated memory was 140.5MB in the beginning and 220.2MB in the end (delta: 79.7MB). Free memory was 76.9MB in the beginning and 104.0MB in the end (delta: -27.0MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2023-11-29 01:36:27,114 INFO L158 Benchmark]: Witness Printer took 2.38ms. Allocated memory is still 220.2MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:36:27,116 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory was 111.1MB in the beginning and 110.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.16ms. Allocated memory is still 140.5MB. Free memory was 102.5MB in the beginning and 92.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.92ms. Allocated memory is still 140.5MB. Free memory was 92.7MB in the beginning and 91.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.83ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.91ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 76.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 20211.73ms. Allocated memory was 140.5MB in the beginning and 220.2MB in the end (delta: 79.7MB). Free memory was 76.9MB in the beginning and 104.0MB in the end (delta: -27.0MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Witness Printer took 2.38ms. Allocated memory is still 220.2MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x0~0!base][~x0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x2~0!base][~x2~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.1s and 11 iterations. TraceHistogramMax:8. Analysis of lassos took 19.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 19 StatesRemovedByMinimization, 6 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 [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 22/22 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 90 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU4 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital273 mio100 ax100 hnf100 lsp94 ukn73 mio100 lsp24 div100 bol100 ite100 ukn100 eq160 hnf90 smp100 dnf101 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 01:36:27,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2023-11-29 01:36:27,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2023-11-29 01:36:27,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2023-11-29 01:36:27,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f4eaa-280b-4d62-9f80-a386645ee4bc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE