./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:44,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:45,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:49:45,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:45,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:45,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:45,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:45,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:45,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:45,071 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:45,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:45,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:45,074 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:45,075 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:49:45,076 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:49:45,077 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:49:45,077 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:49:45,078 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:49:45,079 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:49:45,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:45,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:49:45,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:45,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:45,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:45,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:45,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:49:45,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:49:45,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:49:45,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:45,087 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:45,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:45,088 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:49:45,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:45,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:45,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:45,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:45,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:45,092 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:49:45,092 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_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a [2023-11-26 11:49:45,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:45,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:45,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:45,416 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:45,419 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:45,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2023-11-26 11:49:48,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:49,096 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:49,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2023-11-26 11:49:49,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/data/4586bce6e/197f7dcf640d4db0b6acc688b90bd7ff/FLAGcc25ec9e9 [2023-11-26 11:49:49,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/data/4586bce6e/197f7dcf640d4db0b6acc688b90bd7ff [2023-11-26 11:49:49,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:49,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:49,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:49,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:49,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:49,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417fefae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49, skipping insertion in model container [2023-11-26 11:49:49,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:49,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:49,649 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:49,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:49,745 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:49,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49 WrapperNode [2023-11-26 11:49:49,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:49,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:49,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:49,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:49,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,820 INFO L138 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-26 11:49:49,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:49,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:49,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:49,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:49,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,882 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [4, 4]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 6 writes are split as follows [4, 2]. [2023-11-26 11:49:49,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:49,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:49,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:49,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:49,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:49,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:49,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:49,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:49:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:49:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:49:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:49:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:49:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:49:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:50,131 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:50,133 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:50,319 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:50,329 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:50,329 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 11:49:50,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:50 BoogieIcfgContainer [2023-11-26 11:49:50,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:50,332 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:49:50,332 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:49:50,337 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:49:50,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:49:50,338 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:49:49" (1/3) ... [2023-11-26 11:49:50,339 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15a3d4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:49:50, skipping insertion in model container [2023-11-26 11:49:50,339 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:49:50,339 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (2/3) ... [2023-11-26 11:49:50,340 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15a3d4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:49:50, skipping insertion in model container [2023-11-26 11:49:50,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:49:50,340 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:50" (3/3) ... [2023-11-26 11:49:50,341 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-1.i [2023-11-26 11:49:50,399 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:49:50,400 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:49:50,400 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:49:50,400 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:49:50,400 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:49:50,401 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:49:50,401 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:49:50,401 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:49:50,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:50,425 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2023-11-26 11:49:50,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:50,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:50,432 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 11:49:50,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:49:50,432 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:49:50,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:50,435 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2023-11-26 11:49:50,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:50,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:50,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 11:49:50,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:49:50,444 INFO L748 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 21#L536true assume !(main_~length~0#1 < 1); 6#L536-2true assume !(main_~n~1#1 < 1); 7#L539-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 4#L545-3true [2023-11-26 11:49:50,445 INFO L750 eck$LassoCheckResult]: Loop: 4#L545-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);havoc main_#t~nondet13#1;call write~int#1(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 9#L545-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4#L545-3true [2023-11-26 11:49:50,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:50,451 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-26 11:49:50,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:50,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372904585] [2023-11-26 11:49:50,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:50,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:50,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:50,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:50,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:50,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2023-11-26 11:49:50,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:50,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112669681] [2023-11-26 11:49:50,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:50,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:50,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:50,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:50,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:50,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2023-11-26 11:49:50,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:50,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752054817] [2023-11-26 11:49:50,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:50,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:50,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:50,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:51,358 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:49:51,359 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:49:51,359 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:49:51,359 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:49:51,360 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:49:51,360 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:51,360 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:49:51,360 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:49:51,360 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration1_Lasso [2023-11-26 11:49:51,360 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:49:51,361 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:49:51,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:51,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:52,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:49:52,200 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:49:52,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,218 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 [2023-11-26 11:49:52,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:49:52,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:52,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:52,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:52,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:49:52,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:52,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:52,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,328 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 [2023-11-26 11:49:52,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:52,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:52,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:52,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:49:52,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,366 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:49:52,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:52,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:52,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:52,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:52,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:52,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:49:52,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,479 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:49:52,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:52,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:52,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,542 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:49:52,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:52,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:52,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:52,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,586 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:49:52,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:52,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:52,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:49:52,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:52,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:52,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,675 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:49:52,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:52,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:52,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,734 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:49:52,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:52,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:52,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:52,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,777 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:52,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:49:52,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:52,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:52,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:52,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:52,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:52,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:52,826 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:49:52,881 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 11:49:52,881 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-26 11:49:52,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:52,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,928 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:49:52,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:49:52,952 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:49:52,952 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:49:52,952 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-26 11:49:52,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:52,984 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 11:49:52,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated [2023-11-26 11:49:53,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:49:53,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:49:53,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:53,149 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:49:53,151 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 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) [2023-11-26 11:49:53,204 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 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) Result 44 states and 70 transitions. Complement of second has 8 states. [2023-11-26 11:49:53,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:49:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2023-11-26 11:49:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2023-11-26 11:49:53,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-26 11:49:53,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:49:53,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-26 11:49:53,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:49:53,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-26 11:49:53,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:49:53,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 70 transitions. [2023-11-26 11:49:53,220 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-26 11:49:53,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 20 states and 31 transitions. [2023-11-26 11:49:53,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-26 11:49:53,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-26 11:49:53,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 31 transitions. [2023-11-26 11:49:53,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:53,228 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 31 transitions. [2023-11-26 11:49:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 31 transitions. [2023-11-26 11:49:53,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-26 11:49:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 31 transitions. [2023-11-26 11:49:53,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 31 transitions. [2023-11-26 11:49:53,258 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 31 transitions. [2023-11-26 11:49:53,258 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:49:53,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 31 transitions. [2023-11-26 11:49:53,259 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-26 11:49:53,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:53,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:53,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:53,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:49:53,261 INFO L748 eck$LassoCheckResult]: Stem: 159#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 155#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 156#L536 assume !(main_~length~0#1 < 1); 147#L536-2 assume !(main_~n~1#1 < 1); 148#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 140#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 141#L545-4 havoc main_~i~0#1;main_~i~1#1 := 0; 151#L550-3 [2023-11-26 11:49:53,261 INFO L750 eck$LassoCheckResult]: Loop: 151#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);havoc main_#t~nondet15#1;call write~int#0(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 152#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 151#L550-3 [2023-11-26 11:49:53,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:53,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2023-11-26 11:49:53,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:53,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369502604] [2023-11-26 11:49:53,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:53,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:53,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:53,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:53,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2023-11-26 11:49:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:53,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992807456] [2023-11-26 11:49:53,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:53,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:53,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:53,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:53,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2023-11-26 11:49:53,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:53,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343516896] [2023-11-26 11:49:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:53,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:53,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:53,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:53,696 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:49:53,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:49:53,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:49:53,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:49:53,697 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:49:53,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:53,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:49:53,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:49:53,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration2_Lasso [2023-11-26 11:49:53,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:49:53,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:49:53,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:53,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-26 11:49:53,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:54,287 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:49:54,288 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:49:54,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,292 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:49:54,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,335 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:49:54,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:54,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:54,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,383 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:49:54,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,434 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:49:54,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:54,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:54,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,477 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:49:54,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,514 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:49:54,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:54,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:54,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,558 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:49:54,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:54,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:54,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,607 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:54,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:54,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:49:54,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,643 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:49:54,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,680 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:49:54,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,724 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:49:54,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-26 11:49:54,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,792 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 11:49:54,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,815 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:49:54,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,857 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:49:54,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:54,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:54,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,904 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:54,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:54,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:49:54,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,958 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:54,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:54,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:49:54,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:54,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:54,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:54,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:49:54,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:49:54,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:49:54,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:54,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:54,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,995 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:55,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:55,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:55,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:55,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:55,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:49:55,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:55,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:55,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:49:55,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:55,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:55,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:55,047 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:55,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:49:55,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:49:55,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:49:55,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:49:55,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:49:55,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 11:49:55,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:49:55,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:49:55,100 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:49:55,131 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 11:49:55,131 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-26 11:49:55,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:55,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:55,133 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:55,137 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:49:55,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 11:49:55,172 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:49:55,173 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:49:55,173 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~1#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~n~1#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2023-11-26 11:49:55,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:55,200 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 11:49:55,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:55,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:49:55,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:55,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:49:55,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:55,280 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:49:55,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 31 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:55,315 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 31 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 52 transitions. Complement of second has 8 states. [2023-11-26 11:49:55,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:49:55,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:55,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2023-11-26 11:49:55,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-26 11:49:55,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:49:55,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-26 11:49:55,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:49:55,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-26 11:49:55,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:49:55,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 52 transitions. [2023-11-26 11:49:55,321 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-26 11:49:55,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 21 states and 32 transitions. [2023-11-26 11:49:55,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-26 11:49:55,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 11:49:55,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 32 transitions. [2023-11-26 11:49:55,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:55,322 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-11-26 11:49:55,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 32 transitions. [2023-11-26 11:49:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-26 11:49:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2023-11-26 11:49:55,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-11-26 11:49:55,326 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-11-26 11:49:55,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:49:55,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2023-11-26 11:49:55,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-26 11:49:55,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:55,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:55,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:55,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:49:55,328 INFO L748 eck$LassoCheckResult]: Stem: 287#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 284#L536 assume !(main_~length~0#1 < 1); 274#L536-2 assume !(main_~n~1#1 < 1); 275#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 267#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 268#L545-4 havoc main_~i~0#1;main_~i~1#1 := 0; 280#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 276#L550-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 277#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 271#L520-3 [2023-11-26 11:49:55,329 INFO L750 eck$LassoCheckResult]: Loop: 271#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 272#L520-1 assume !!(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int#1(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int#0(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1); 285#L521 assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1; 271#L520-3 [2023-11-26 11:49:55,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:55,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220888, now seen corresponding path program 1 times [2023-11-26 11:49:55,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:55,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201810094] [2023-11-26 11:49:55,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:55,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:55,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:55,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:55,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:55,379 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 1 times [2023-11-26 11:49:55,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:55,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421309671] [2023-11-26 11:49:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:55,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:55,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:55,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:55,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:55,412 INFO L85 PathProgramCache]: Analyzing trace with hash -587605024, now seen corresponding path program 1 times [2023-11-26 11:49:55,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:55,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662821087] [2023-11-26 11:49:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:55,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:55,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:55,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662821087] [2023-11-26 11:49:55,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662821087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:55,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:55,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:49:55,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634362586] [2023-11-26 11:49:55,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:55,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:49:55,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:49:55,945 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:56,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:56,063 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2023-11-26 11:49:56,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2023-11-26 11:49:56,068 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-26 11:49:56,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 49 transitions. [2023-11-26 11:49:56,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-26 11:49:56,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-26 11:49:56,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions. [2023-11-26 11:49:56,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:56,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-11-26 11:49:56,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions. [2023-11-26 11:49:56,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2023-11-26 11:49:56,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2023-11-26 11:49:56,083 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 43 transitions. [2023-11-26 11:49:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:49:56,086 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2023-11-26 11:49:56,086 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:49:56,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2023-11-26 11:49:56,088 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-26 11:49:56,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:56,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:56,089 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:56,089 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:49:56,090 INFO L748 eck$LassoCheckResult]: Stem: 365#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 359#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 360#L536 assume !(main_~length~0#1 < 1); 348#L536-2 assume !(main_~n~1#1 < 1); 350#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 342#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 343#L545-4 havoc main_~i~0#1;main_~i~1#1 := 0; 366#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);havoc main_#t~nondet15#1;call write~int#0(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 356#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 354#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 355#L550-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 368#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 363#L520-3 [2023-11-26 11:49:56,090 INFO L750 eck$LassoCheckResult]: Loop: 363#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 367#L520-1 assume !!(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int#1(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int#0(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1); 361#L521 assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1; 363#L520-3 [2023-11-26 11:49:56,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:56,091 INFO L85 PathProgramCache]: Analyzing trace with hash -294332618, now seen corresponding path program 1 times [2023-11-26 11:49:56,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:56,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892604914] [2023-11-26 11:49:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:56,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:56,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:56,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:56,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:56,164 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 2 times [2023-11-26 11:49:56,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:56,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147189185] [2023-11-26 11:49:56,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:56,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:56,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:56,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:56,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:56,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1860246402, now seen corresponding path program 1 times [2023-11-26 11:49:56,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:56,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045088697] [2023-11-26 11:49:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:56,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:49:56,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:56,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045088697] [2023-11-26 11:49:56,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045088697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:56,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:56,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:49:56,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671505042] [2023-11-26 11:49:56,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:56,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:56,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:49:56,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:49:56,685 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. cyclomatic complexity: 17 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 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) [2023-11-26 11:49:56,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:56,752 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2023-11-26 11:49:56,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 73 transitions. [2023-11-26 11:49:56,754 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-26 11:49:56,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 73 transitions. [2023-11-26 11:49:56,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2023-11-26 11:49:56,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2023-11-26 11:49:56,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 73 transitions. [2023-11-26 11:49:56,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:56,756 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 73 transitions. [2023-11-26 11:49:56,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 73 transitions. [2023-11-26 11:49:56,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2023-11-26 11:49:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.4) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:56,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2023-11-26 11:49:56,761 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 56 transitions. [2023-11-26 11:49:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:49:56,763 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 56 transitions. [2023-11-26 11:49:56,763 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:49:56,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 56 transitions. [2023-11-26 11:49:56,764 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-26 11:49:56,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:56,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:56,765 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:56,765 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:49:56,765 INFO L748 eck$LassoCheckResult]: Stem: 468#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 463#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 464#L536 assume !(main_~length~0#1 < 1); 450#L536-2 assume main_~n~1#1 < 1;main_~n~1#1 := 1; 451#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 444#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 445#L545-4 havoc main_~i~0#1;main_~i~1#1 := 0; 457#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 458#L550-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 471#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 448#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 449#L520-1 assume !(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1; 466#L519-1 assume 0 == cstrlcpy_~n~0#1 % 4294967296; 467#L526 assume !(0 != cstrlcpy_~siz#1 % 4294967296); 461#L528-2 [2023-11-26 11:49:56,765 INFO L750 eck$LassoCheckResult]: Loop: 461#L528-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int#1(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 462#L528 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 461#L528-2 [2023-11-26 11:49:56,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:56,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1736952706, now seen corresponding path program 1 times [2023-11-26 11:49:56,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:56,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717847126] [2023-11-26 11:49:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:56,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:56,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:56,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717847126] [2023-11-26 11:49:56,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717847126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:56,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:56,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:56,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354740734] [2023-11-26 11:49:56,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:56,912 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:49:56,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:56,913 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 1 times [2023-11-26 11:49:56,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:56,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228282184] [2023-11-26 11:49:56,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:56,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:56,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:56,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:56,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:56,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:49:56,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:49:56,971 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. cyclomatic complexity: 22 Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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) [2023-11-26 11:49:57,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:57,006 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2023-11-26 11:49:57,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 64 transitions. [2023-11-26 11:49:57,008 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-26 11:49:57,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 64 transitions. [2023-11-26 11:49:57,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2023-11-26 11:49:57,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-26 11:49:57,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 64 transitions. [2023-11-26 11:49:57,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:57,012 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 64 transitions. [2023-11-26 11:49:57,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 64 transitions. [2023-11-26 11:49:57,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2023-11-26 11:49:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 45 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2023-11-26 11:49:57,029 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 62 transitions. [2023-11-26 11:49:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:49:57,032 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 62 transitions. [2023-11-26 11:49:57,033 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:49:57,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 62 transitions. [2023-11-26 11:49:57,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-26 11:49:57,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:57,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:57,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:57,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:49:57,035 INFO L748 eck$LassoCheckResult]: Stem: 567#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 562#L536 assume !(main_~length~0#1 < 1); 548#L536-2 assume main_~n~1#1 < 1;main_~n~1#1 := 1; 549#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 574#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 573#L545-4 havoc main_~i~0#1;main_~i~1#1 := 0; 555#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 556#L550-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 579#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 578#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 577#L520-1 assume !(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1; 569#L519-1 assume 0 == cstrlcpy_~n~0#1 % 4294967296; 565#L526 assume 0 != cstrlcpy_~siz#1 % 4294967296;call write~int#0(0, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, 1); 559#L528-2 [2023-11-26 11:49:57,035 INFO L750 eck$LassoCheckResult]: Loop: 559#L528-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int#1(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 560#L528 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 559#L528-2 [2023-11-26 11:49:57,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:57,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1736952708, now seen corresponding path program 1 times [2023-11-26 11:49:57,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:57,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173583609] [2023-11-26 11:49:57,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:57,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:57,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:57,099 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 2 times [2023-11-26 11:49:57,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:57,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263381839] [2023-11-26 11:49:57,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:57,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:57,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1530728321, now seen corresponding path program 1 times [2023-11-26 11:49:57,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:57,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452257115] [2023-11-26 11:49:57,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:57,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:57,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:57,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452257115] [2023-11-26 11:49:57,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452257115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:57,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:57,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:49:57,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599375621] [2023-11-26 11:49:57,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:57,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:57,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:49:57,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:49:57,400 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. cyclomatic complexity: 22 Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 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) [2023-11-26 11:49:57,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:57,478 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2023-11-26 11:49:57,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 85 transitions. [2023-11-26 11:49:57,480 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-26 11:49:57,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 52 states and 65 transitions. [2023-11-26 11:49:57,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2023-11-26 11:49:57,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2023-11-26 11:49:57,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 65 transitions. [2023-11-26 11:49:57,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:57,486 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 65 transitions. [2023-11-26 11:49:57,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 65 transitions. [2023-11-26 11:49:57,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2023-11-26 11:49:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2023-11-26 11:49:57,495 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 58 transitions. [2023-11-26 11:49:57,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:49:57,497 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2023-11-26 11:49:57,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:49:57,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 58 transitions. [2023-11-26 11:49:57,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-26 11:49:57,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:57,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:57,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:57,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:49:57,500 INFO L748 eck$LassoCheckResult]: Stem: 694#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 689#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 690#L536 assume !(main_~length~0#1 < 1); 677#L536-2 assume !(main_~n~1#1 < 1); 679#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 680#L545-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);havoc main_#t~nondet13#1;call write~int#1(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 705#L545-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 703#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 704#L545-4 havoc main_~i~0#1;main_~i~1#1 := 0; 698#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);havoc main_#t~nondet15#1;call write~int#0(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 700#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 714#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 713#L550-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 710#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 711#L520-3 [2023-11-26 11:49:57,501 INFO L750 eck$LassoCheckResult]: Loop: 711#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 716#L520-1 assume !!(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int#1(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int#0(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1); 715#L521 assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1; 711#L520-3 [2023-11-26 11:49:57,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:57,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217428, now seen corresponding path program 1 times [2023-11-26 11:49:57,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:57,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589684364] [2023-11-26 11:49:57,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:57,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:57,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:57,553 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 3 times [2023-11-26 11:49:57,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:57,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836399570] [2023-11-26 11:49:57,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:57,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:57,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:57,564 INFO L85 PathProgramCache]: Analyzing trace with hash -796650908, now seen corresponding path program 1 times [2023-11-26 11:49:57,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:57,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473176307] [2023-11-26 11:49:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:57,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:57,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:59,248 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:49:59,248 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:49:59,248 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:49:59,248 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:49:59,248 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:49:59,248 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:59,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:49:59,249 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:49:59,249 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration7_Lasso [2023-11-26 11:49:59,249 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:49:59,249 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:49:59,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:59,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:50:00,734 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:50:00,738 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:50:00,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:00,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:00,740 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:00,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:00,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 11:50:00,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:00,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:00,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:00,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:00,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:00,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:00,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:00,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:00,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:00,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:00,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:00,783 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:00,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:00,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:00,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:00,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:00,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:00,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:00,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 11:50:00,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:00,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:00,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:00,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:00,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:00,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:00,834 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:00,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:00,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 11:50:00,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:00,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:00,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:00,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:00,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:50:00,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:50:00,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:00,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:00,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:00,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:00,910 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:00,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 11:50:00,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:00,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:00,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:00,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:00,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:00,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:50:00,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:50:00,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:00,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:00,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:00,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:00,955 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:00,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:00,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 11:50:00,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:00,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:00,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:00,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:00,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:00,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:00,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,014 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 11:50:01,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:50:01,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:50:01,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,055 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 11:50:01,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,102 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 11:50:01,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,141 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 11:50:01,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,181 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 11:50:01,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,229 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 11:50:01,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,265 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 11:50:01,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,316 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 11:50:01,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,358 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 11:50:01,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,391 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 11:50:01,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,429 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 11:50:01,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:50:01,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:50:01,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,469 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:50:01,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 11:50:01,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:50:01,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:50:01,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,509 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:50:01,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:50:01,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 11:50:01,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:50:01,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,555 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:50:01,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:50:01,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:50:01,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:50:01,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:50:01,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-26 11:50:01,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:50:01,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:50:01,600 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:50:01,652 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2023-11-26 11:50:01,652 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-26 11:50:01,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:50:01,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:01,653 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:01,658 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:50:01,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 11:50:01,680 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:50:01,680 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:50:01,681 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3) = -1*ULTIMATE.start_cstrlcpy_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 Supporting invariants [] [2023-11-26 11:50:01,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:01,781 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2023-11-26 11:50:01,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc11!base] could not be translated [2023-11-26 11:50:01,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:01,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 11:50:01,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:50:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:01,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 11:50:01,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:50:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:01,952 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-26 11:50:01,952 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 58 transitions. cyclomatic complexity: 18 Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:50:02,016 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 58 transitions. cyclomatic complexity: 18. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 83 transitions. Complement of second has 6 states. [2023-11-26 11:50:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 11:50:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:50:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2023-11-26 11:50:02,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-26 11:50:02,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:50:02,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 17 letters. Loop has 3 letters. [2023-11-26 11:50:02,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:50:02,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 14 letters. Loop has 6 letters. [2023-11-26 11:50:02,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:50:02,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 83 transitions. [2023-11-26 11:50:02,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:50:02,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 18 states and 22 transitions. [2023-11-26 11:50:02,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-26 11:50:02,021 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 11:50:02,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2023-11-26 11:50:02,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:02,022 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-26 11:50:02,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2023-11-26 11:50:02,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-26 11:50:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:50:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-11-26 11:50:02,024 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-26 11:50:02,024 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-26 11:50:02,024 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 11:50:02,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2023-11-26 11:50:02,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:50:02,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:50:02,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:50:02,025 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:02,025 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:50:02,026 INFO L748 eck$LassoCheckResult]: Stem: 958#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 955#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 956#L536 assume !(main_~length~0#1 < 1); 946#L536-2 assume !(main_~n~1#1 < 1); 947#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 942#L545-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);havoc main_#t~nondet13#1;call write~int#1(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 943#L545-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 944#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 945#L545-4 havoc main_~i~0#1;main_~i~1#1 := 0; 950#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);havoc main_#t~nondet15#1;call write~int#0(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 951#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 952#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 948#L550-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 949#L519 assume !(0 != cstrlcpy_~n~0#1 % 4294967296); 959#L519-1 assume 0 == cstrlcpy_~n~0#1 % 4294967296; 957#L526 assume !(0 != cstrlcpy_~siz#1 % 4294967296); 953#L528-2 [2023-11-26 11:50:02,026 INFO L750 eck$LassoCheckResult]: Loop: 953#L528-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int#1(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 954#L528 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 953#L528-2 [2023-11-26 11:50:02,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:02,026 INFO L85 PathProgramCache]: Analyzing trace with hash -718415251, now seen corresponding path program 1 times [2023-11-26 11:50:02,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:02,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400742817] [2023-11-26 11:50:02,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:02,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:50:02,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:02,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400742817] [2023-11-26 11:50:02,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400742817] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:50:02,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577126651] [2023-11-26 11:50:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:02,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:50:02,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:02,167 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:50:02,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2023-11-26 11:50:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:02,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-26 11:50:02,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:50:02,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-26 11:50:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:02,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-26 11:50:02,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-26 11:50:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:50:02,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:50:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:50:02,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577126651] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 11:50:02,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:50:02,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 5] total 15 [2023-11-26 11:50:02,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808020511] [2023-11-26 11:50:02,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:02,650 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:50:02,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:02,650 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 3 times [2023-11-26 11:50:02,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:02,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254159012] [2023-11-26 11:50:02,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:02,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:02,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:50:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:02,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:50:02,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:02,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:50:02,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-26 11:50:02,706 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. cyclomatic complexity: 7 Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2023-11-26 11:50:02,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:02,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:02,810 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2023-11-26 11:50:02,810 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2023-11-26 11:50:02,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:50:02,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2023-11-26 11:50:02,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-26 11:50:02,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 11:50:02,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2023-11-26 11:50:02,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:02,817 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-26 11:50:02,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2023-11-26 11:50:02,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-26 11:50:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:50:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2023-11-26 11:50:02,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-26 11:50:02,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:50:02,825 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-26 11:50:02,826 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 11:50:02,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2023-11-26 11:50:02,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:50:02,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:50:02,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:50:02,828 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:02,828 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:50:02,828 INFO L748 eck$LassoCheckResult]: Stem: 1106#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1103#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1104#L536 assume !(main_~length~0#1 < 1); 1094#L536-2 assume !(main_~n~1#1 < 1); 1095#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 1090#L545-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);havoc main_#t~nondet13#1;call write~int#1(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 1091#L545-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1092#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 1093#L545-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1100#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);havoc main_#t~nondet15#1;call write~int#0(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 1101#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1102#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 1096#L550-4 havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 1097#L519 assume !(0 != cstrlcpy_~n~0#1 % 4294967296); 1107#L519-1 assume 0 == cstrlcpy_~n~0#1 % 4294967296; 1105#L526 assume 0 != cstrlcpy_~siz#1 % 4294967296;call write~int#0(0, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, 1); 1098#L528-2 [2023-11-26 11:50:02,828 INFO L750 eck$LassoCheckResult]: Loop: 1098#L528-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int#1(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 1099#L528 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 1098#L528-2 [2023-11-26 11:50:02,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:02,829 INFO L85 PathProgramCache]: Analyzing trace with hash -718415253, now seen corresponding path program 1 times [2023-11-26 11:50:02,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:02,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907187754] [2023-11-26 11:50:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:02,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 11:50:02,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:02,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907187754] [2023-11-26 11:50:02,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907187754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:02,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:02,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:50:02,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680652456] [2023-11-26 11:50:02,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:02,954 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:50:02,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:02,955 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 4 times [2023-11-26 11:50:02,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:02,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580306556] [2023-11-26 11:50:02,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:02,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:02,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:50:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:02,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:50:03,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:03,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:50:03,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:50:03,010 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2023-11-26 11:50:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:03,018 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2023-11-26 11:50:03,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2023-11-26 11:50:03,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:50:03,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2023-11-26 11:50:03,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:50:03,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:50:03,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:50:03,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:03,019 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:50:03,019 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:50:03,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:50:03,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:50:03,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 11:50:03,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:50:03,022 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:50:03,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:50:03,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:50:03 BoogieIcfgContainer [2023-11-26 11:50:03,030 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:50:03,030 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:50:03,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:50:03,031 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:50:03,031 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:50" (3/4) ... [2023-11-26 11:50:03,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:50:03,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:50:03,035 INFO L158 Benchmark]: Toolchain (without parser) took 13880.05ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 132.5MB in the beginning and 176.7MB in the end (delta: -44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-26 11:50:03,035 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 76.9MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:03,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.04ms. Allocated memory is still 163.6MB. Free memory was 132.5MB in the beginning and 115.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:50:03,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.28ms. Allocated memory is still 163.6MB. Free memory was 115.7MB in the beginning and 113.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:03,036 INFO L158 Benchmark]: Boogie Preprocessor took 83.19ms. Allocated memory is still 163.6MB. Free memory was 113.7MB in the beginning and 111.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:03,037 INFO L158 Benchmark]: RCFGBuilder took 425.37ms. Allocated memory is still 163.6MB. Free memory was 111.3MB in the beginning and 97.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:50:03,037 INFO L158 Benchmark]: BuchiAutomizer took 12697.90ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 97.7MB in the beginning and 176.7MB in the end (delta: -79.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:50:03,037 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 249.6MB. Free memory is still 176.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:03,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 76.9MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.04ms. Allocated memory is still 163.6MB. Free memory was 132.5MB in the beginning and 115.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.28ms. Allocated memory is still 163.6MB. Free memory was 115.7MB in the beginning and 113.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.19ms. Allocated memory is still 163.6MB. Free memory was 113.7MB in the beginning and 111.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.37ms. Allocated memory is still 163.6MB. Free memory was 111.3MB in the beginning and 97.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 12697.90ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 97.7MB in the beginning and 176.7MB in the end (delta: -79.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 249.6MB. Free memory is still 176.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc11!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (n + (-1 * i)) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.6s and 10 iterations. TraceHistogramMax:1. Analysis of lassos took 11.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 28 StatesRemovedByMinimization, 4 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 253 mSDsluCounter, 475 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 321 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 154 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU3 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital171 mio100 ax111 hnf100 lsp81 ukn79 mio100 lsp41 div157 bol100 ite100 ukn100 eq167 hnf91 smp80 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms 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! [2023-11-26 11:50:03,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:03,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a681a4f1-2bfa-4350-9a68-44c7522f9adf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE