./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/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_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/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_8c885dfb-5916-450b-90c1-70e790cc2ffa/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 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:43:09,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:43:09,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 03:43:09,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:43:09,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:43:09,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:43:09,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:43:09,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:43:09,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:43:09,698 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:43:09,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:43:09,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:43:09,700 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:43:09,700 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 03:43:09,701 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 03:43:09,701 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 03:43:09,702 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 03:43:09,702 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 03:43:09,703 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 03:43:09,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:43:09,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 03:43:09,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:43:09,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:43:09,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 03:43:09,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 03:43:09,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 03:43:09,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:43:09,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:43:09,707 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 03:43:09,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:43:09,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:43:09,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:43:09,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:43:09,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:43:09,710 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 03:43:09,711 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_8c885dfb-5916-450b-90c1-70e790cc2ffa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 [2023-11-29 03:43:09,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:43:09,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:43:09,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:43:09,953 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:43:09,954 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:43:09,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2023-11-29 03:43:12,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:43:12,945 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:43:12,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2023-11-29 03:43:12,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/data/6dab46682/76a7ae81e2004b3685b931503b8c4697/FLAG63aef9499 [2023-11-29 03:43:12,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/data/6dab46682/76a7ae81e2004b3685b931503b8c4697 [2023-11-29 03:43:12,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:43:12,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:43:12,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:43:12,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:43:12,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:43:12,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:43:12" (1/1) ... [2023-11-29 03:43:12,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eaf264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:12, skipping insertion in model container [2023-11-29 03:43:12,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:43:12" (1/1) ... [2023-11-29 03:43:13,029 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:43:13,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:43:13,288 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:43:13,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:43:13,345 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:43:13,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13 WrapperNode [2023-11-29 03:43:13,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:43:13,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:43:13,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:43:13,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:43:13,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,383 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2023-11-29 03:43:13,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:43:13,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:43:13,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:43:13,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:43:13,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,397 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,412 INFO L175 MemorySlicer]: Split 15 memory accesses to 4 slices as follows [3, 5, 2, 5]. 33 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 6 writes are split as follows [1, 2, 1, 2]. [2023-11-29 03:43:13,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:43:13,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:43:13,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:43:13,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:43:13,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (1/1) ... [2023-11-29 03:43:13,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:13,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:13,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 03:43:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:43:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:43:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 03:43:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 03:43:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:43:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:43:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 03:43:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 03:43:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:43:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:43:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:43:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:43:13,626 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:43:13,629 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:43:13,763 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:43:13,770 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:43:13,771 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 03:43:13,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:43:13 BoogieIcfgContainer [2023-11-29 03:43:13,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:43:13,773 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 03:43:13,773 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 03:43:13,776 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 03:43:13,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:43:13,777 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 03:43:12" (1/3) ... [2023-11-29 03:43:13,778 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@544eec13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:43:13, skipping insertion in model container [2023-11-29 03:43:13,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:43:13,778 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:13" (2/3) ... [2023-11-29 03:43:13,779 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@544eec13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:43:13, skipping insertion in model container [2023-11-29 03:43:13,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:43:13,779 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:43:13" (3/3) ... [2023-11-29 03:43:13,780 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.15-alloca.i [2023-11-29 03:43:13,828 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 03:43:13,828 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 03:43:13,828 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 03:43:13,828 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 03:43:13,828 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 03:43:13,829 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 03:43:13,829 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 03:43:13,829 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 03:43:13,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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 03:43:13,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 03:43:13,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:43:13,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:43:13,851 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 03:43:13,852 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 03:43:13,852 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 03:43:13,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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 03:43:13,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 03:43:13,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:43:13,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:43:13,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 03:43:13,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 03:43:13,860 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#3(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 12#L558-4true [2023-11-29 03:43:13,861 INFO L750 eck$LassoCheckResult]: Loop: 12#L558-4true call test_fun_#t~mem6#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 11#L557-1true assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 9#L557-3true assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 5#L558-3true assume !true; 12#L558-4true [2023-11-29 03:43:13,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 03:43:13,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:13,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393145254] [2023-11-29 03:43:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:13,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:14,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:14,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1142256, now seen corresponding path program 1 times [2023-11-29 03:43:14,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:14,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027120542] [2023-11-29 03:43:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:14,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:14,163 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 03:43:14,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027120542] [2023-11-29 03:43:14,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027120542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:14,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:14,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:43:14,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58004861] [2023-11-29 03:43:14,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:14,170 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:43:14,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:14,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:43:14,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:43:14,206 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 03:43:14,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:14,212 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2023-11-29 03:43:14,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2023-11-29 03:43:14,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 03:43:14,218 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 9 transitions. [2023-11-29 03:43:14,219 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-29 03:43:14,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-29 03:43:14,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2023-11-29 03:43:14,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:14,220 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-29 03:43:14,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2023-11-29 03:43:14,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-29 03:43:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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 03:43:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-11-29 03:43:14,247 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-29 03:43:14,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:43:14,251 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-29 03:43:14,251 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 03:43:14,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2023-11-29 03:43:14,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 03:43:14,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:43:14,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:43:14,253 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 03:43:14,253 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 03:43:14,253 INFO L748 eck$LassoCheckResult]: Stem: 34#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 35#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#3(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 36#L558-4 [2023-11-29 03:43:14,253 INFO L750 eck$LassoCheckResult]: Loop: 36#L558-4 call test_fun_#t~mem6#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 38#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 37#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 32#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 33#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 36#L558-4 [2023-11-29 03:43:14,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:14,254 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-29 03:43:14,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:14,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819839197] [2023-11-29 03:43:14,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:14,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:14,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:14,333 INFO L85 PathProgramCache]: Analyzing trace with hash 35409745, now seen corresponding path program 1 times [2023-11-29 03:43:14,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:14,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447550951] [2023-11-29 03:43:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:14,527 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 03:43:14,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:14,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447550951] [2023-11-29 03:43:14,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447550951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:14,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:14,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:43:14,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642492691] [2023-11-29 03:43:14,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:14,529 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:43:14,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:14,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:43:14,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:43:14,530 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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 03:43:14,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:14,638 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2023-11-29 03:43:14,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2023-11-29 03:43:14,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-29 03:43:14,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 12 transitions. [2023-11-29 03:43:14,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-29 03:43:14,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-29 03:43:14,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2023-11-29 03:43:14,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:14,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-11-29 03:43:14,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2023-11-29 03:43:14,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-29 03:43:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 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 03:43:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2023-11-29 03:43:14,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-29 03:43:14,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:43:14,644 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-29 03:43:14,644 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 03:43:14,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2023-11-29 03:43:14,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-29 03:43:14,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:43:14,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:43:14,645 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 03:43:14,646 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2023-11-29 03:43:14,646 INFO L748 eck$LassoCheckResult]: Stem: 66#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 67#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#3(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 69#L558-4 [2023-11-29 03:43:14,646 INFO L750 eck$LassoCheckResult]: Loop: 69#L558-4 call test_fun_#t~mem6#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 72#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 70#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 71#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 68#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#3(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 64#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 65#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 69#L558-4 [2023-11-29 03:43:14,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:14,647 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2023-11-29 03:43:14,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:14,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066057807] [2023-11-29 03:43:14,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:14,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:14,698 INFO L85 PathProgramCache]: Analyzing trace with hash -330970762, now seen corresponding path program 1 times [2023-11-29 03:43:14,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:14,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432066114] [2023-11-29 03:43:14,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:14,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:14,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:14,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1215326068, now seen corresponding path program 1 times [2023-11-29 03:43:14,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:14,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291013901] [2023-11-29 03:43:14,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:14,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:14,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:16,689 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:43:16,690 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:43:16,690 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:43:16,690 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:43:16,690 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:43:16,691 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:16,691 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:43:16,691 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:43:16,691 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.15-alloca.i_Iteration3_Lasso [2023-11-29 03:43:16,691 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:43:16,691 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:43:16,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:16,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:17,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:17,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:17,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:17,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:17,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:17,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:17,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:18,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:43:18,151 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:43:18,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 03:43:18,156 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 03:43:18,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:18,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 03:43:18,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:18,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 03:43:18,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 03:43:18,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,227 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 03:43:18,230 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 03:43:18,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 03:43:18,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,249 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 03:43:18,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 03:43:18,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,278 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 03:43:18,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 03:43:18,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,305 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 03:43:18,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 03:43:18,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,324 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 03:43:18,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 03:43:18,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 03:43:18,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 03:43:18,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,366 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 03:43:18,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:18,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:18,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:18,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 03:43:18,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,385 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 03:43:18,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 03:43:18,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,406 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 03:43:18,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 03:43:18,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,432 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 03:43:18,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:18,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,455 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 03:43:18,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 03:43:18,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,483 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 03:43:18,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 03:43:18,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,512 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 03:43:18,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 03:43:18,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,535 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 03:43:18,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:18,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 03:43:18,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,558 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 03:43:18,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:18,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:18,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:18,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:18,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:18,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:18,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:18,600 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:43:18,660 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2023-11-29 03:43:18,660 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 23 variables to zero. [2023-11-29 03:43:18,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:18,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:18,692 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:18,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 03:43:18,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:43:18,705 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 03:43:18,705 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:43:18,705 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1, v_rep(select (select #memory_int#3 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = -1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1 + 1*v_rep(select (select #memory_int#3 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [] [2023-11-29 03:43:18,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 03:43:18,897 INFO L156 tatePredicateManager]: 35 out of 35 supporting invariants were superfluous and have been removed [2023-11-29 03:43:18,904 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~z_ref~0!base][~z_ref~0!offset] could not be translated [2023-11-29 03:43:18,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-29 03:43:18,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:18,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:43:18,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:18,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:43:18,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:19,108 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 44 treesize of output 28 [2023-11-29 03:43:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:43:19,136 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-29 03:43:19,137 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 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 03:43:19,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 03:43:19,225 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 27 transitions. Complement of second has 8 states. [2023-11-29 03:43:19,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 03:43:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 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 03:43:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2023-11-29 03:43:19,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 7 letters. [2023-11-29 03:43:19,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:43:19,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 7 letters. [2023-11-29 03:43:19,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:43:19,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 14 letters. [2023-11-29 03:43:19,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:43:19,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2023-11-29 03:43:19,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 03:43:19,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 14 states and 17 transitions. [2023-11-29 03:43:19,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-11-29 03:43:19,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-29 03:43:19,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2023-11-29 03:43:19,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:43:19,232 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-29 03:43:19,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2023-11-29 03:43:19,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-11-29 03:43:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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 03:43:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-11-29 03:43:19,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-29 03:43:19,234 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-29 03:43:19,234 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 03:43:19,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2023-11-29 03:43:19,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 03:43:19,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:43:19,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:43:19,235 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-29 03:43:19,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:43:19,236 INFO L748 eck$LassoCheckResult]: Stem: 291#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#3(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 294#L558-4 call test_fun_#t~mem6#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 296#L557-1 assume !test_fun_#t~short10#1; 295#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 289#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 290#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#3(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 293#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 288#L558-1 [2023-11-29 03:43:19,236 INFO L750 eck$LassoCheckResult]: Loop: 288#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#3(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 287#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 288#L558-1 [2023-11-29 03:43:19,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:19,236 INFO L85 PathProgramCache]: Analyzing trace with hash 179598440, now seen corresponding path program 1 times [2023-11-29 03:43:19,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:19,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632964674] [2023-11-29 03:43:19,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:19,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:43:19,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:19,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632964674] [2023-11-29 03:43:19,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632964674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:19,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:19,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:43:19,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466927181] [2023-11-29 03:43:19,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:19,273 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 03:43:19,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:19,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1852, now seen corresponding path program 1 times [2023-11-29 03:43:19,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:19,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229535005] [2023-11-29 03:43:19,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:19,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:19,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:19,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:19,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:19,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:19,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:19,422 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 03:43:19,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:19,432 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2023-11-29 03:43:19,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2023-11-29 03:43:19,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 03:43:19,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 15 transitions. [2023-11-29 03:43:19,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-11-29 03:43:19,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-11-29 03:43:19,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2023-11-29 03:43:19,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:43:19,434 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-29 03:43:19,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2023-11-29 03:43:19,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 03:43:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 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 03:43:19,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-11-29 03:43:19,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-29 03:43:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:19,437 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-29 03:43:19,438 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 03:43:19,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2023-11-29 03:43:19,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 03:43:19,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:43:19,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:43:19,439 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-29 03:43:19,439 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:43:19,439 INFO L748 eck$LassoCheckResult]: Stem: 324#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 325#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#3(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 327#L558-4 call test_fun_#t~mem6#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 330#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 328#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 329#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 332#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#3(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 331#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 321#L558-1 [2023-11-29 03:43:19,439 INFO L750 eck$LassoCheckResult]: Loop: 321#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#3(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 320#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 321#L558-1 [2023-11-29 03:43:19,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:19,440 INFO L85 PathProgramCache]: Analyzing trace with hash 177751398, now seen corresponding path program 1 times [2023-11-29 03:43:19,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:19,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894224095] [2023-11-29 03:43:19,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:19,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:19,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:19,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:19,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:19,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1852, now seen corresponding path program 2 times [2023-11-29 03:43:19,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:19,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750277573] [2023-11-29 03:43:19,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:19,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:19,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:19,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:19,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:19,493 INFO L85 PathProgramCache]: Analyzing trace with hash -979597471, now seen corresponding path program 2 times [2023-11-29 03:43:19,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:19,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489201709] [2023-11-29 03:43:19,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:19,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:19,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:19,540 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:21,650 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:43:21,650 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:43:21,650 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:43:21,650 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:43:21,650 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:43:21,651 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:21,651 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:43:21,651 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:43:21,651 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.15-alloca.i_Iteration5_Lasso [2023-11-29 03:43:21,651 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:43:21,651 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:43:21,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:21,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:22,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:22,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:43:23,007 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:43:23,007 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:43:23,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,008 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 03:43:23,010 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 03:43:23,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,026 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 03:43:23,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 03:43:23,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,044 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 03:43:23,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 03:43:23,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,061 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 03:43:23,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,078 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 03:43:23,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,096 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 03:43:23,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 03:43:23,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,118 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 03:43:23,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 03:43:23,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,136 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 03:43:23,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 03:43:23,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,157 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 03:43:23,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 03:43:23,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,176 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 03:43:23,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,194 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 03:43:23,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 03:43:23,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,216 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 03:43:23,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 03:43:23,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,237 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 03:43:23,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,258 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 03:43:23,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 03:43:23,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,276 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 03:43:23,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:43:23,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:43:23,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:43:23,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,294 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 03:43:23,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 03:43:23,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,331 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 03:43:23,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,357 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 03:43:23,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-29 03:43:23,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,378 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 03:43:23,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:43:23,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,406 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 03:43:23,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:43:23,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:43:23,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:43:23,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:43:23,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:43:23,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:43:23,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:43:23,466 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:43:23,513 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-29 03:43:23,513 INFO L444 ModelExtractionUtils]: 34 out of 52 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-29 03:43:23,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:43:23,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:23,514 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:23,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 03:43:23,516 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:43:23,528 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-29 03:43:23,528 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:43:23,528 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2, v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~z_ref~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2 - 1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~z_ref~0#1.base) 0)_1 Supporting invariants [1*ULTIMATE.start_test_fun_#t~mem12#1 - 1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~z_ref~0#1.base) 0)_1 + 1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2 - 1*ULTIMATE.start_test_fun_#t~mem11#1 >= 0] [2023-11-29 03:43:23,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-29 03:43:23,711 INFO L156 tatePredicateManager]: 36 out of 38 supporting invariants were superfluous and have been removed [2023-11-29 03:43:23,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~z_ref~0!base][0] could not be translated [2023-11-29 03:43:23,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-29 03:43:23,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:23,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:43:23,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:23,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:43:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:23,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:43:23,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:23,853 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 44 treesize of output 28 [2023-11-29 03:43:23,873 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 03:43:23,874 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 03:43:23,874 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 03:43:23,921 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 18 states and 21 transitions. Complement of second has 5 states. [2023-11-29 03:43:23,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2023-11-29 03:43:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 03:43:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2023-11-29 03:43:23,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-29 03:43:23,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:43:23,923 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:43:23,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:23,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:43:23,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:24,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:43:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:24,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:43:24,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:43:24,053 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 44 treesize of output 28 [2023-11-29 03:43:24,074 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 03:43:24,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-29 03:43:24,075 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 03:43:24,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 26 states and 31 transitions. Complement of second has 6 states. [2023-11-29 03:43:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 03:43:24,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 03:43:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2023-11-29 03:43:24,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-29 03:43:24,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:43:24,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 10 letters. Loop has 2 letters. [2023-11-29 03:43:24,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:43:24,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 8 letters. Loop has 4 letters. [2023-11-29 03:43:24,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:43:24,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2023-11-29 03:43:24,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 03:43:24,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 23 transitions. [2023-11-29 03:43:24,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-11-29 03:43:24,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-11-29 03:43:24,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2023-11-29 03:43:24,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:43:24,109 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2023-11-29 03:43:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2023-11-29 03:43:24,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2023-11-29 03:43:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2023-11-29 03:43:24,110 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-29 03:43:24,110 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-29 03:43:24,111 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 03:43:24,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2023-11-29 03:43:24,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 03:43:24,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:43:24,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:43:24,112 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 1, 1, 1] [2023-11-29 03:43:24,112 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 03:43:24,112 INFO L748 eck$LassoCheckResult]: Stem: 632#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 633#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int#3(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 637#L558-4 call test_fun_#t~mem6#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 638#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 635#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 636#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 634#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#3(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 630#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 631#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 639#L558-4 call test_fun_#t~mem6#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 640#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 644#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 643#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 642#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#3(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 641#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 629#L558-1 [2023-11-29 03:43:24,112 INFO L750 eck$LassoCheckResult]: Loop: 629#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int#3(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#3(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 628#L558-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int#0(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 629#L558-1 [2023-11-29 03:43:24,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:24,113 INFO L85 PathProgramCache]: Analyzing trace with hash -618569641, now seen corresponding path program 2 times [2023-11-29 03:43:24,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:24,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350583560] [2023-11-29 03:43:24,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:24,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:43:24,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:24,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350583560] [2023-11-29 03:43:24,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350583560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:24,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:24,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:43:24,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278105725] [2023-11-29 03:43:24,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:24,356 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 03:43:24,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:24,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1852, now seen corresponding path program 3 times [2023-11-29 03:43:24,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:24,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332853942] [2023-11-29 03:43:24,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:24,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:24,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:43:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:43:24,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:43:24,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:24,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:43:24,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:43:24,496 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:43:24,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:43:24,535 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-29 03:43:24,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2023-11-29 03:43:24,536 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:43:24,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2023-11-29 03:43:24,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 03:43:24,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 03:43:24,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 03:43:24,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:24,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:43:24,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:43:24,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:43:24,537 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:43:24,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 03:43:24,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:43:24,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:43:24,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 03:43:24,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 03:43:24 BoogieIcfgContainer [2023-11-29 03:43:24,543 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 03:43:24,543 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:43:24,543 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:43:24,543 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:43:24,544 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:43:13" (3/4) ... [2023-11-29 03:43:24,545 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:43:24,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:43:24,546 INFO L158 Benchmark]: Toolchain (without parser) took 11575.66ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 106.9MB in the beginning and 156.3MB in the end (delta: -49.4MB). Peak memory consumption was 910.2kB. Max. memory is 16.1GB. [2023-11-29 03:43:24,547 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:43:24,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.14ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 90.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 03:43:24,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 153.1MB. Free memory was 90.6MB in the beginning and 88.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:43:24,547 INFO L158 Benchmark]: Boogie Preprocessor took 45.24ms. Allocated memory is still 153.1MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:43:24,547 INFO L158 Benchmark]: RCFGBuilder took 341.89ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 73.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:43:24,548 INFO L158 Benchmark]: BuchiAutomizer took 10769.62ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 73.4MB in the beginning and 157.4MB in the end (delta: -84.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:43:24,548 INFO L158 Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 201.3MB. Free memory was 157.4MB in the beginning and 156.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:43:24,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.14ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 90.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 153.1MB. Free memory was 90.6MB in the beginning and 88.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.24ms. Allocated memory is still 153.1MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.89ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 73.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 10769.62ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 73.4MB in the beginning and 157.4MB in the end (delta: -84.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.76ms. Allocated memory is still 201.3MB. Free memory was 157.4MB in the beginning and 156.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~z_ref~0!base][~z_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~z_ref~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~y_ref~0!base][~y_ref~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 6 terminating modules (4 trivial, 2 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 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.7s and 7 iterations. TraceHistogramMax:4. Analysis of lassos took 9.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 45 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital338 mio100 ax105 hnf100 lsp93 ukn72 mio100 lsp27 div100 bol100 ite100 ukn100 eq207 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms 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 03:43:24,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c885dfb-5916-450b-90c1-70e790cc2ffa/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